{
    "schema_version": "1.1",
    "title": "FastestPlanes aircraft reference dataset",
    "description": "Secondary compilation of published English aircraft records. Design targets and published specifications are not interchangeable with measured records. Source checks are scoped to individual claims. Unknown values are null (empty cells in CSV). Page modification and export times are not verification dates.",
    "generated_at": "2026-10-15T16:10:38+00:00",
    "version": "3a3aebffd51733a4",
    "record_count": 145,
    "license": null,
    "records": [
        {
            "id": "fp-aircraft-6",
            "entity_id": "https://fastestplanes.com/aircraft/bell-x-1/#aircraft",
            "url": "https://fastestplanes.com/aircraft/bell-x-1/",
            "name": "Bell X-1",
            "language": "en",
            "country": "United States",
            "types": [
                "Experimental"
            ],
            "maximum_speed_mach": 1.45,
            "maximum_speed_kmh": 1545,
            "speed_basis": "Reported flight result",
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": true,
            "speed_context": "First-generation X-1 results; later X-1A/B/E aircraft are separate variants.",
            "speed_value_note": "About 960 mph, rounded to 1,545 km/h; not a fixed conversion from Mach.",
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1946,
            "first_flight_status": "demonstrated",
            "first_flight_note": "Unpowered and powered first flights occurred in 1946; 1947 is the first supersonic milestone.",
            "first_flight_status_basis": "explicit_status_field",
            "sources": [
                {
                    "scope": "maximum_speed",
                    "url": "https://www.nasa.gov/wp-content/uploads/2023/04/sp-4531.pdf",
                    "title": "NASA: American X-Vehicles, first-generation X-1",
                    "source_kind": "primary",
                    "claim": "First-generation maximum: Mach 1.45, about 960 mph; 157 flights during 1946–1951.",
                    "basis": "First-generation flight-test results, not later X-1 variants.",
                    "event_date": null,
                    "checked_on": "2026-10-07",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "first_flight",
                    "url": "https://www.nasa.gov/aeronautics/first-generation-x-1/",
                    "title": "NASA: First Generation X-1",
                    "source_kind": "primary",
                    "claim": "The first glide and powered flights occurred in 1946; the first supersonic flight was October 14, 1947.",
                    "basis": "First flight and sound-barrier milestone are separate events.",
                    "event_date": null,
                    "checked_on": "2026-10-07",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Bell_X-1",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-10-07T10:28:22+00:00",
            "revision": "b3fa92107dcd3ba7",
            "citation": "FastestPlanes, \"Bell X-1\", https://fastestplanes.com/aircraft/bell-x-1/, record fp-aircraft-6, revision b3fa92107dcd3ba7. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-7",
            "entity_id": "https://fastestplanes.com/aircraft/x-15/#aircraft",
            "url": "https://fastestplanes.com/aircraft/x-15/",
            "name": "North American X-15",
            "language": "en",
            "country": "United States",
            "types": [
                "Experimental"
            ],
            "maximum_speed_mach": 6.7,
            "maximum_speed_kmh": 7274,
            "speed_basis": "Reported flight result",
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": true,
            "speed_context": "Crewed rocket-powered research-aircraft peak flight result; not an air-breathing record.",
            "speed_value_note": "NASA reports 4,520 mph (about 7,274 km/h); the Mach value depends on flight conditions.",
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1959,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "explicit_status_field",
            "sources": [
                {
                    "scope": "maximum_speed",
                    "url": "https://www.nasa.gov/reference/x-15/",
                    "title": "NASA: X-15 Hypersonic Research Program",
                    "source_kind": "primary",
                    "claim": "William “Pete” Knight reached Mach 6.7 and 4,520 mph on October 3, 1967.",
                    "basis": "Reported peak speed of a crewed rocket-powered research flight.",
                    "event_date": "1967-10-03",
                    "checked_on": "2026-10-07",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "reference",
                    "url": "https://www.nasa.gov/centers/armstrong/news/FactSheets/FS-052-DFRC.html",
                    "title": "Existing reference link",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                },
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/North_American_X-15",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-10-07T09:24:59+00:00",
            "revision": "1aec360f1ba9b9d0",
            "citation": "FastestPlanes, \"North American X-15\", https://fastestplanes.com/aircraft/x-15/, record fp-aircraft-7, revision 1aec360f1ba9b9d0. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-8",
            "entity_id": "https://fastestplanes.com/aircraft/sr-71-blackbird/#aircraft",
            "url": "https://fastestplanes.com/aircraft/sr-71-blackbird/",
            "name": "Lockheed SR-71 Blackbird",
            "language": "en",
            "country": "United States",
            "types": [
                "Reconnaissance"
            ],
            "maximum_speed_mach": 3.3,
            "maximum_speed_kmh": 3530,
            "speed_basis": "Reported flight result",
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": true,
            "speed_context": "July 28, 1976 straight-course speed record: 2,193.167 mph (about 3,530 km/h); Mach 3.3 is rounded.",
            "speed_value_note": "Rounded conversion of the reported record airspeed; not a fixed conversion of Mach 3.3.",
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1964,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "explicit_status_field",
            "sources": [
                {
                    "scope": "maximum_speed",
                    "url": "https://www.nasa.gov/wp-content/uploads/2023/06/if-these-planes-could-talk-5-12.pdf",
                    "title": "NASA / National Museum of the USAF: SR-71 record",
                    "source_kind": "primary",
                    "claim": "The SR-71 set a 2,193.167 mph speed record on July 28, 1976.",
                    "basis": "Straight-course class speed record; rounded to 3,530 km/h in this database.",
                    "event_date": "1976-07-28",
                    "checked_on": "2026-10-07",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "reference",
                    "url": "https://www.nasa.gov/wp-content/uploads/2021/09/495839main_FS-030_SR-71.pdf",
                    "title": "Existing reference link",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                },
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Lockheed_SR-71_Blackbird",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-10-07T09:25:01+00:00",
            "revision": "c1e299acf25fca24",
            "citation": "FastestPlanes, \"Lockheed SR-71 Blackbird\", https://fastestplanes.com/aircraft/sr-71-blackbird/, record fp-aircraft-8, revision c1e299acf25fca24. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-9",
            "entity_id": "https://fastestplanes.com/aircraft/f-22-raptor/#aircraft",
            "url": "https://fastestplanes.com/aircraft/f-22-raptor/",
            "name": "Lockheed Martin F-22 Raptor",
            "language": "en",
            "country": "United States",
            "types": [
                "Fighter",
                "Stealth"
            ],
            "maximum_speed_mach": 2.25,
            "maximum_speed_kmh": 2414,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1997,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://www.af.mil/About-Us/Fact-Sheets/Display/Article/104506/f-22-raptor/",
                    "title": "Existing reference link",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                },
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Lockheed_Martin_F-22_Raptor",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-03-26T08:57:52+00:00",
            "revision": "2b2918f759962450",
            "citation": "FastestPlanes, \"Lockheed Martin F-22 Raptor\", https://fastestplanes.com/aircraft/f-22-raptor/, record fp-aircraft-9, revision 2b2918f759962450. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-10",
            "entity_id": "https://fastestplanes.com/aircraft/f-14-tomcat/#aircraft",
            "url": "https://fastestplanes.com/aircraft/f-14-tomcat/",
            "name": "Grumman F-14 Tomcat",
            "language": "en",
            "country": "United States",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 2.34,
            "maximum_speed_kmh": 2485,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1970,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://www.navy.mil/Resources/Fact-Files/Display-FactFiles/Article/2383479/f-14-tomcat/",
                    "title": "Existing reference link",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                },
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Grumman_F-14_Tomcat",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-18T12:57:13+00:00",
            "revision": "376f5ea4e36b48e9",
            "citation": "FastestPlanes, \"Grumman F-14 Tomcat\", https://fastestplanes.com/aircraft/f-14-tomcat/, record fp-aircraft-10, revision 376f5ea4e36b48e9. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-11",
            "entity_id": "https://fastestplanes.com/aircraft/f-15-eagle/#aircraft",
            "url": "https://fastestplanes.com/aircraft/f-15-eagle/",
            "name": "McDonnell Douglas F-15 Eagle",
            "language": "en",
            "country": "United States",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 2.5,
            "maximum_speed_kmh": null,
            "speed_basis": "Published specification",
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": "Mach 2.5 is the published F-15C maximum; variants and flight conditions differ.",
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1972,
            "first_flight_status": "demonstrated",
            "first_flight_note": "1972 is the original F-15 family prototype’s first flight, not the first flight of every later variant.",
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "specification",
                    "url": "https://www.af.mil/About-Us/Fact-Sheets/Display/Article/104501/f-15-eagle/source/f-15-eagle/",
                    "title": "U.S. Air Force: F-15 Eagle",
                    "source_kind": "primary",
                    "claim": "F-15A/C are single-seat; F-15B/D/E are two-seat. The original F-15 IOC was September 1975.",
                    "basis": "Variant-specific crew and original program IOC; not a current F-15EX specification.",
                    "event_date": null,
                    "checked_on": "2026-10-07",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "maximum_speed",
                    "url": "https://airandspace.si.edu/collection-objects/mcdonnell-douglas-f-15c-eagle/nasm_A20260082000",
                    "title": "Smithsonian: F-15C Eagle",
                    "source_kind": "primary",
                    "claim": "Published maximum speed for the F-15C: Mach 2.5.",
                    "basis": "Published variant specification, not a new measured speed record.",
                    "event_date": null,
                    "checked_on": "2026-10-07",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "milestone",
                    "url": "https://www.afmc.af.mil/News/Article-Display/Article/2534057/air-force-receives-first-f-15ex/",
                    "title": "U.S. Air Force: First F-15EX acceptance",
                    "source_kind": "primary",
                    "claim": "The Air Force accepted its first F-15EX on March 10, 2021 for the test program; its two-seat airframe can be operated by one pilot.",
                    "basis": "Acceptance for testing is not initial operational capability.",
                    "event_date": "2021-03-10",
                    "checked_on": "2026-10-07",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "milestone",
                    "url": "https://www.gao.gov/assets/gao-25-107569.pdf",
                    "title": "GAO: Weapon Systems Annual Assessment 2025",
                    "source_kind": "primary",
                    "claim": "The F-15EX achieved initial operational capability in July 2024.",
                    "basis": "Operational-readiness milestone, separate from the 2021 first test delivery.",
                    "event_date": null,
                    "checked_on": "2026-10-07",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "reference",
                    "url": "https://www.boeing.com/defense/fighters-and-bombers/f-15ex-eagle",
                    "title": "Boeing: F-15EX Eagle II",
                    "source_kind": "primary",
                    "claim": "Boeing publishes Mach 2.5 for the F-15EX.",
                    "basis": "Manufacturer specification for the EX variant.",
                    "event_date": null,
                    "checked_on": "2026-10-07",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "reference",
                    "url": "https://www.af.mil/About-Us/Fact-Sheets/Display/Article/104501/f-15-eagle/",
                    "title": "Existing reference link",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                },
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/McDonnell_Douglas_F-15_Eagle",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-10-07T10:28:25+00:00",
            "revision": "c420baf987fcaba0",
            "citation": "FastestPlanes, \"McDonnell Douglas F-15 Eagle\", https://fastestplanes.com/aircraft/f-15-eagle/, record fp-aircraft-11, revision c420baf987fcaba0. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-12",
            "entity_id": "https://fastestplanes.com/aircraft/f-16-fighting-falcon/#aircraft",
            "url": "https://fastestplanes.com/aircraft/f-16-fighting-falcon/",
            "name": "General Dynamics F-16 Fighting Falcon",
            "language": "en",
            "country": "United States",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 2,
            "maximum_speed_kmh": 2120,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1974,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://www.af.mil/About-Us/Fact-Sheets/Display/Article/104505/f-16-fighting-falcon/",
                    "title": "Existing reference link",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                },
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/General_Dynamics_F-16_Fighting_Falcon",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-18T12:57:13+00:00",
            "revision": "c59104e9440a7d61",
            "citation": "FastestPlanes, \"General Dynamics F-16 Fighting Falcon\", https://fastestplanes.com/aircraft/f-16-fighting-falcon/, record fp-aircraft-12, revision c59104e9440a7d61. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-13",
            "entity_id": "https://fastestplanes.com/aircraft/fa-18-hornet/#aircraft",
            "url": "https://fastestplanes.com/aircraft/fa-18-hornet/",
            "name": "McDonnell Douglas F/A-18 Hornet",
            "language": "en",
            "country": "United States",
            "types": [
                "Fighter",
                "Multirole"
            ],
            "maximum_speed_mach": 1.8,
            "maximum_speed_kmh": 1915,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1978,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://www.navy.mil/Resources/Fact-Files/Display-FactFiles/Article/2383471/f-a-18a-d-hornet-and-f-a-18e-f-super-hornet-strike-fighter/",
                    "title": "Existing reference link",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                },
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/McDonnell_Douglas_F/A-18_Hornet",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-18T07:27:23+00:00",
            "revision": "b1848590a5d50724",
            "citation": "FastestPlanes, \"McDonnell Douglas F/A-18 Hornet\", https://fastestplanes.com/aircraft/fa-18-hornet/, record fp-aircraft-13, revision b1848590a5d50724. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-14",
            "entity_id": "https://fastestplanes.com/aircraft/f-100-super-sabre/#aircraft",
            "url": "https://fastestplanes.com/aircraft/f-100-super-sabre/",
            "name": "North American F-100 Super Sabre",
            "language": "en",
            "country": "United States",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 1.3,
            "maximum_speed_kmh": 1390,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1953,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://www.nationalmuseum.af.mil/Visit/Museum-Exhibits/Fact-Sheets/Display/Article/196051/north-american-f-100d-super-sabre/",
                    "title": "Existing reference link",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                },
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/North_American_F-100_Super_Sabre",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-18T12:53:27+00:00",
            "revision": "841207311dd6f769",
            "citation": "FastestPlanes, \"North American F-100 Super Sabre\", https://fastestplanes.com/aircraft/f-100-super-sabre/, record fp-aircraft-14, revision 841207311dd6f769. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-15",
            "entity_id": "https://fastestplanes.com/aircraft/f-4-phantom-ii/#aircraft",
            "url": "https://fastestplanes.com/aircraft/f-4-phantom-ii/",
            "name": "McDonnell Douglas F-4 Phantom II",
            "language": "en",
            "country": "United States",
            "types": [
                "Fighter",
                "Multirole"
            ],
            "maximum_speed_mach": 2.23,
            "maximum_speed_kmh": 2370,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1958,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://www.af.mil/About-Us/Fact-Sheets/Display/Article/104508/f-4-phantom-ii/",
                    "title": "Existing reference link",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                },
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/McDonnell_Douglas_F-4_Phantom_II",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-18T12:57:13+00:00",
            "revision": "c11c635417d8fb0d",
            "citation": "FastestPlanes, \"McDonnell Douglas F-4 Phantom II\", https://fastestplanes.com/aircraft/f-4-phantom-ii/, record fp-aircraft-15, revision c11c635417d8fb0d. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-16",
            "entity_id": "https://fastestplanes.com/aircraft/f-104-starfighter/#aircraft",
            "url": "https://fastestplanes.com/aircraft/f-104-starfighter/",
            "name": "Lockheed F-104 Starfighter",
            "language": "en",
            "country": "United States",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 2.2,
            "maximum_speed_kmh": 2334,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1954,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://www.nationalmuseum.af.mil/Visit/Museum-Exhibits/Fact-Sheets/Display/Article/196085/lockheed-f-104c-starfighter/",
                    "title": "Existing reference link",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                },
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Lockheed_F-104_Starfighter",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-18T07:27:23+00:00",
            "revision": "b80998ca8ebb37d2",
            "citation": "FastestPlanes, \"Lockheed F-104 Starfighter\", https://fastestplanes.com/aircraft/f-104-starfighter/, record fp-aircraft-16, revision b80998ca8ebb37d2. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-17",
            "entity_id": "https://fastestplanes.com/aircraft/f-106-delta-dart/#aircraft",
            "url": "https://fastestplanes.com/aircraft/f-106-delta-dart/",
            "name": "Convair F-106 Delta Dart",
            "language": "en",
            "country": "United States",
            "types": [
                "Fighter",
                "Interceptor"
            ],
            "maximum_speed_mach": 2.3,
            "maximum_speed_kmh": 2455,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1956,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://www.nationalmuseum.af.mil/Visit/Museum-Exhibits/Fact-Sheets/Display/Article/195768/convair-f-106a-delta-dart/",
                    "title": "Existing reference link",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                },
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Convair_F-106_Delta_Dart",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-18T07:27:23+00:00",
            "revision": "76e4caf55a297c0e",
            "citation": "FastestPlanes, \"Convair F-106 Delta Dart\", https://fastestplanes.com/aircraft/f-106-delta-dart/, record fp-aircraft-17, revision 76e4caf55a297c0e. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-18",
            "entity_id": "https://fastestplanes.com/aircraft/xb-70-valkyrie/#aircraft",
            "url": "https://fastestplanes.com/aircraft/xb-70-valkyrie/",
            "name": "North American XB-70 Valkyrie",
            "language": "en",
            "country": "United States",
            "types": [
                "Bomber",
                "Experimental"
            ],
            "maximum_speed_mach": 3.08,
            "maximum_speed_kmh": 3309,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1964,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://www.nasa.gov/aeronautics/xb-70-valkyrie/",
                    "title": "Existing reference link",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                },
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/North_American_XB-70_Valkyrie",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-18T12:57:13+00:00",
            "revision": "160daf73dbffe63e",
            "citation": "FastestPlanes, \"North American XB-70 Valkyrie\", https://fastestplanes.com/aircraft/xb-70-valkyrie/, record fp-aircraft-18, revision 160daf73dbffe63e. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-19",
            "entity_id": "https://fastestplanes.com/aircraft/b-1-lancer/#aircraft",
            "url": "https://fastestplanes.com/aircraft/b-1-lancer/",
            "name": "Rockwell B-1 Lancer",
            "language": "en",
            "country": "United States",
            "types": [
                "Bomber"
            ],
            "maximum_speed_mach": 1.25,
            "maximum_speed_kmh": 1340,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1974,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://www.af.mil/About-Us/Fact-Sheets/Display/Article/104500/b-1b-lancer/",
                    "title": "Existing reference link",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                },
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Rockwell_B-1_Lancer",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-18T12:57:13+00:00",
            "revision": "9937581caa3e794f",
            "citation": "FastestPlanes, \"Rockwell B-1 Lancer\", https://fastestplanes.com/aircraft/b-1-lancer/, record fp-aircraft-19, revision 9937581caa3e794f. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-20",
            "entity_id": "https://fastestplanes.com/aircraft/x-43a/#aircraft",
            "url": "https://fastestplanes.com/aircraft/x-43a/",
            "name": "NASA X-43A",
            "language": "en",
            "country": "United States",
            "types": [
                "Experimental"
            ],
            "maximum_speed_mach": 9.6,
            "maximum_speed_kmh": 11265,
            "speed_basis": "Reported flight result",
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": true,
            "speed_context": "Air-breathing aircraft; final X-43A test flight",
            "speed_value_note": "Approximately 7,000 mph × 1.609344 = 11,265.408 km/h; stored 11,265 km/h remains approximate, not a measurement to the nearest km/h.",
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 2001,
            "first_flight_status": "first_attempt",
            "first_flight_note": "First launch attempt: June 2, 2001 (unsuccessful); first successful scramjet flight: March 27, 2004.",
            "first_flight_status_basis": "explicit_status_field",
            "sources": [
                {
                    "scope": "maximum_speed",
                    "url": "https://www.nasa.gov/reference/x-43a/",
                    "title": "NASA: X-43A",
                    "source_kind": "primary",
                    "claim": "NASA reports Mach 9.6 and approximately 7,000 mph on the final X-43A flight, an air-breathing aircraft record.",
                    "basis": "Reported flight result",
                    "event_date": "2004-11-16",
                    "checked_on": "2026-09-28",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "first_flight",
                    "url": "https://www.nasa.gov/reference/x-43a/",
                    "title": "NASA: X-43A",
                    "source_kind": "primary",
                    "claim": "First launch attempt: June 2, 2001 (unsuccessful); first successful scramjet flight: March 27, 2004.",
                    "basis": "Launch attempt and successful-flight dates",
                    "event_date": "2001-06-02",
                    "checked_on": "2026-09-28",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/NASA_X-43",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-10-07T09:25:04+00:00",
            "revision": "490f377e4ab43d26",
            "citation": "FastestPlanes, \"NASA X-43A\", https://fastestplanes.com/aircraft/x-43a/, record fp-aircraft-20, revision 490f377e4ab43d26. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-21",
            "entity_id": "https://fastestplanes.com/aircraft/x-51-waverider/#aircraft",
            "url": "https://fastestplanes.com/aircraft/x-51-waverider/",
            "name": "Boeing X-51A Waverider",
            "language": "en",
            "country": "United States",
            "types": [
                "Experimental"
            ],
            "maximum_speed_mach": 5.1,
            "maximum_speed_kmh": null,
            "speed_basis": "Reported flight result",
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 2010,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "maximum_speed",
                    "url": "https://www.af.mil/News/Article-Display/Article/109264/x-51a-waverider-achieves-breakthrough-in-final-flight/",
                    "title": "US Air Force: X-51A final flight",
                    "source_kind": "primary",
                    "claim": "The final X-51A test flight reached Mach 5.1. This is a test result, not a production-aircraft service speed.",
                    "basis": "Reported flight result",
                    "event_date": "2013-05-01",
                    "checked_on": "2026-09-28",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Boeing_X-51_Waverider",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-09-28T15:37:04+00:00",
            "revision": "e0c4c4bc74c59f45",
            "citation": "FastestPlanes, \"Boeing X-51A Waverider\", https://fastestplanes.com/aircraft/x-51-waverider/, record fp-aircraft-21, revision e0c4c4bc74c59f45. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-22",
            "entity_id": "https://fastestplanes.com/aircraft/b-58-hustler/#aircraft",
            "url": "https://fastestplanes.com/aircraft/b-58-hustler/",
            "name": "Convair B-58 Hustler",
            "language": "en",
            "country": "United States",
            "types": [
                "Bomber"
            ],
            "maximum_speed_mach": 2,
            "maximum_speed_kmh": 2229,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1956,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://www.nationalmuseum.af.mil/Visit/Museum-Exhibits/Fact-Sheets/Display/Article/195765/convair-b-58a-hustler/",
                    "title": "Existing reference link",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                },
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Convair_B-58_Hustler",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-18T12:57:13+00:00",
            "revision": "3d37d44abc143df8",
            "citation": "FastestPlanes, \"Convair B-58 Hustler\", https://fastestplanes.com/aircraft/b-58-hustler/, record fp-aircraft-22, revision 3d37d44abc143df8. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-23",
            "entity_id": "https://fastestplanes.com/aircraft/f-105-thunderchief/#aircraft",
            "url": "https://fastestplanes.com/aircraft/f-105-thunderchief/",
            "name": "Republic F-105 Thunderchief",
            "language": "en",
            "country": "United States",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 2.08,
            "maximum_speed_kmh": 2208,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1955,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://www.nationalmuseum.af.mil/Visit/Museum-Exhibits/Fact-Sheets/Display/Article/196113/republic-f-105d-thunderchief/",
                    "title": "Existing reference link",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                },
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Republic_F-105_Thunderchief",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-18T12:57:13+00:00",
            "revision": "e717f58a695b86a3",
            "citation": "FastestPlanes, \"Republic F-105 Thunderchief\", https://fastestplanes.com/aircraft/f-105-thunderchief/, record fp-aircraft-23, revision e717f58a695b86a3. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-24",
            "entity_id": "https://fastestplanes.com/aircraft/mig-25-foxbat/#aircraft",
            "url": "https://fastestplanes.com/aircraft/mig-25-foxbat/",
            "name": "Mikoyan-Gurevich MiG-25 Foxbat",
            "language": "en",
            "country": "Russia/Soviet Union",
            "types": [
                "Fighter",
                "Interceptor"
            ],
            "maximum_speed_mach": 3.2,
            "maximum_speed_kmh": 3490,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1964,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Mikoyan-Gurevich_MiG-25",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-18T12:57:13+00:00",
            "revision": "b3a0677c4d583efe",
            "citation": "FastestPlanes, \"Mikoyan-Gurevich MiG-25 Foxbat\", https://fastestplanes.com/aircraft/mig-25-foxbat/, record fp-aircraft-24, revision b3a0677c4d583efe. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-25",
            "entity_id": "https://fastestplanes.com/aircraft/mig-31-foxhound/#aircraft",
            "url": "https://fastestplanes.com/aircraft/mig-31-foxhound/",
            "name": "Mikoyan MiG-31 Foxhound",
            "language": "en",
            "country": "Russia/Soviet Union",
            "types": [
                "Fighter",
                "Interceptor"
            ],
            "maximum_speed_mach": 2.83,
            "maximum_speed_kmh": 3000,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1975,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Mikoyan_MiG-31",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-18T12:57:13+00:00",
            "revision": "9ff1d4b85da174a8",
            "citation": "FastestPlanes, \"Mikoyan MiG-31 Foxhound\", https://fastestplanes.com/aircraft/mig-31-foxhound/, record fp-aircraft-25, revision 9ff1d4b85da174a8. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-26",
            "entity_id": "https://fastestplanes.com/aircraft/f-35-lightning-ii/#aircraft",
            "url": "https://fastestplanes.com/aircraft/f-35-lightning-ii/",
            "name": "Lockheed Martin F-35 Lightning II",
            "language": "en",
            "country": "United States",
            "types": [
                "Stealth"
            ],
            "maximum_speed_mach": 1.6,
            "maximum_speed_kmh": 1975,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 2006,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://www.af.mil/About-Us/Fact-Sheets/Display/Article/104504/f-35a-lightning-ii/",
                    "title": "Existing reference link",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-18T12:57:13+00:00",
            "revision": "5485cd118e984416",
            "citation": "FastestPlanes, \"Lockheed Martin F-35 Lightning II\", https://fastestplanes.com/aircraft/f-35-lightning-ii/, record fp-aircraft-26, revision 5485cd118e984416. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-27",
            "entity_id": "https://fastestplanes.com/aircraft/su-27-flanker/#aircraft",
            "url": "https://fastestplanes.com/aircraft/su-27-flanker/",
            "name": "Sukhoi Su-27 Flanker",
            "language": "en",
            "country": "Russia/Soviet Union",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 2.35,
            "maximum_speed_kmh": 2500,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1977,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Sukhoi_Su-27",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-18T12:57:13+00:00",
            "revision": "e6a9d663c2dedc7a",
            "citation": "FastestPlanes, \"Sukhoi Su-27 Flanker\", https://fastestplanes.com/aircraft/su-27-flanker/, record fp-aircraft-27, revision e6a9d663c2dedc7a. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-28",
            "entity_id": "https://fastestplanes.com/aircraft/su-57-felon/#aircraft",
            "url": "https://fastestplanes.com/aircraft/su-57-felon/",
            "name": "Sukhoi Su-57 Felon",
            "language": "en",
            "country": "Russia/Soviet Union",
            "types": [
                "Stealth"
            ],
            "maximum_speed_mach": 2,
            "maximum_speed_kmh": 2120,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 2010,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Sukhoi_Su-57",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-18T12:57:13+00:00",
            "revision": "85c0485f611b63d2",
            "citation": "FastestPlanes, \"Sukhoi Su-57 Felon\", https://fastestplanes.com/aircraft/su-57-felon/, record fp-aircraft-28, revision 85c0485f611b63d2. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-29",
            "entity_id": "https://fastestplanes.com/aircraft/tu-144/#aircraft",
            "url": "https://fastestplanes.com/aircraft/tu-144/",
            "name": "Tupolev Tu-144",
            "language": "en",
            "country": "Russia/Soviet Union",
            "types": [
                "Airliner"
            ],
            "maximum_speed_mach": 2.15,
            "maximum_speed_kmh": 2300,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1968,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/tu_144",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-18T12:57:13+00:00",
            "revision": "c40151555438c96c",
            "citation": "FastestPlanes, \"Tupolev Tu-144\", https://fastestplanes.com/aircraft/tu-144/, record fp-aircraft-29, revision c40151555438c96c. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-30",
            "entity_id": "https://fastestplanes.com/aircraft/tu-160-white-swan/#aircraft",
            "url": "https://fastestplanes.com/aircraft/tu-160-white-swan/",
            "name": "Tupolev Tu-160 White Swan",
            "language": "en",
            "country": "Russia",
            "types": [
                "Bomber"
            ],
            "maximum_speed_mach": 2.05,
            "maximum_speed_kmh": 2220,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1981,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Tupolev_Tu-160",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-18T12:57:13+00:00",
            "revision": "4f087ec6a0b171c3",
            "citation": "FastestPlanes, \"Tupolev Tu-160 White Swan\", https://fastestplanes.com/aircraft/tu-160-white-swan/, record fp-aircraft-30, revision 4f087ec6a0b171c3. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-31",
            "entity_id": "https://fastestplanes.com/aircraft/concorde/#aircraft",
            "url": "https://fastestplanes.com/aircraft/concorde/",
            "name": "Concorde",
            "language": "en",
            "country": "France / United Kingdom",
            "types": [
                "Airliner"
            ],
            "maximum_speed_mach": 2.04,
            "maximum_speed_kmh": 2179,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1969,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://www.concordesst.com/",
                    "title": "Existing reference link",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                },
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/concorde",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-03-26T08:57:52+00:00",
            "revision": "fa662537443d12c9",
            "citation": "FastestPlanes, \"Concorde\", https://fastestplanes.com/aircraft/concorde/, record fp-aircraft-31, revision fa662537443d12c9. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-32",
            "entity_id": "https://fastestplanes.com/aircraft/eurofighter-typhoon/#aircraft",
            "url": "https://fastestplanes.com/aircraft/eurofighter-typhoon/",
            "name": "Eurofighter Typhoon",
            "language": "en",
            "country": "International",
            "types": [
                "Fighter",
                "Multirole"
            ],
            "maximum_speed_mach": 2,
            "maximum_speed_kmh": 2125,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1994,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://www.eurofighter.com/the-aircraft",
                    "title": "Existing reference link",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                },
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Eurofighter_Typhoon",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-18T12:57:13+00:00",
            "revision": "84c4b01176585c10",
            "citation": "FastestPlanes, \"Eurofighter Typhoon\", https://fastestplanes.com/aircraft/eurofighter-typhoon/, record fp-aircraft-32, revision 84c4b01176585c10. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-33",
            "entity_id": "https://fastestplanes.com/aircraft/dassault-rafale/#aircraft",
            "url": "https://fastestplanes.com/aircraft/dassault-rafale/",
            "name": "Dassault Rafale",
            "language": "en",
            "country": "France",
            "types": [
                "Fighter",
                "Multirole"
            ],
            "maximum_speed_mach": 1.8,
            "maximum_speed_kmh": 1912,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1986,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://www.dassault-aviation.com/en/defense/rafale/",
                    "title": "Existing reference link",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                },
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/dassault_rafale",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-18T12:57:13+00:00",
            "revision": "c2eda409c15ce8e3",
            "citation": "FastestPlanes, \"Dassault Rafale\", https://fastestplanes.com/aircraft/dassault-rafale/, record fp-aircraft-33, revision c2eda409c15ce8e3. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-34",
            "entity_id": "https://fastestplanes.com/aircraft/dassault-mirage-2000/#aircraft",
            "url": "https://fastestplanes.com/aircraft/dassault-mirage-2000/",
            "name": "Dassault Mirage 2000",
            "language": "en",
            "country": "France",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 2.2,
            "maximum_speed_kmh": null,
            "speed_basis": "Published specification",
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": "Mirage 2000 family; high-altitude manufacturer specification",
            "speed_value_note": "Dassault publishes above Mach 2.2; card uses rounded 2.2, not a measured record.",
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1978,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "maximum_speed",
                    "url": "https://www.dassault-aviation.com/fr/defense/soutien-militaire/avions-soutenus/mirage-2000/",
                    "title": "Dassault Aviation: Mirage 2000",
                    "source_kind": "primary",
                    "claim": "The manufacturer publishes a high-altitude maximum greater than Mach 2.2; the card uses rounded Mach 2.2.",
                    "basis": "Published specification",
                    "event_date": null,
                    "checked_on": "2026-09-28",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "reference",
                    "url": "https://www.dassault-aviation.com/en/defense/mirage-2000/",
                    "title": "Existing reference link",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                },
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Dassault_Mirage_2000",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-09-28T16:07:09+00:00",
            "revision": "931714b601056593",
            "citation": "FastestPlanes, \"Dassault Mirage 2000\", https://fastestplanes.com/aircraft/dassault-mirage-2000/, record fp-aircraft-34, revision 931714b601056593. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-35",
            "entity_id": "https://fastestplanes.com/aircraft/saab-jas-39-gripen/#aircraft",
            "url": "https://fastestplanes.com/aircraft/saab-jas-39-gripen/",
            "name": "Saab JAS 39 Gripen",
            "language": "en",
            "country": "Sweden",
            "types": [
                "Fighter",
                "Multirole"
            ],
            "maximum_speed_mach": 2,
            "maximum_speed_kmh": null,
            "speed_basis": "Published specification",
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": "Gripen C at high altitude",
            "speed_value_note": "Saab Gripen C March 2016 fact sheet; do not treat as E-series test result.",
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1988,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "maximum_speed",
                    "url": "https://www.saab.com/globalassets/products/aeronautics/gripen-c-series/gripen_c_factsheet.pdf",
                    "title": "Saab Gripen C fact sheet, March 2016",
                    "source_kind": "primary",
                    "claim": "Gripen C maximum speed at high altitude is published as Mach 2.",
                    "basis": "Published specification; variant and altitude specified",
                    "event_date": null,
                    "checked_on": "2026-09-28",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "reference",
                    "url": "https://www.saab.com/products/gripen-e-series",
                    "title": "Existing reference link",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                },
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Saab_JAS_39_Gripen",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-09-28T16:07:09+00:00",
            "revision": "583b7ceee5fff74d",
            "citation": "FastestPlanes, \"Saab JAS 39 Gripen\", https://fastestplanes.com/aircraft/saab-jas-39-gripen/, record fp-aircraft-35, revision 583b7ceee5fff74d. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-36",
            "entity_id": "https://fastestplanes.com/aircraft/panavia-tornado/#aircraft",
            "url": "https://fastestplanes.com/aircraft/panavia-tornado/",
            "name": "Panavia Tornado",
            "language": "en",
            "country": "International",
            "types": [
                "Multirole"
            ],
            "maximum_speed_mach": 2.2,
            "maximum_speed_kmh": 2337,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1974,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://www.panavia.de/",
                    "title": "Existing reference link",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                },
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Panavia_Tornado",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-18T12:57:13+00:00",
            "revision": "770d359a0158e0bb",
            "citation": "FastestPlanes, \"Panavia Tornado\", https://fastestplanes.com/aircraft/panavia-tornado/, record fp-aircraft-36, revision 770d359a0158e0bb. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-37",
            "entity_id": "https://fastestplanes.com/aircraft/chengdu-j-20/#aircraft",
            "url": "https://fastestplanes.com/aircraft/chengdu-j-20/",
            "name": "Chengdu J-20 Mighty Dragon",
            "language": "en",
            "country": "China",
            "types": [
                "Stealth"
            ],
            "maximum_speed_mach": 2,
            "maximum_speed_kmh": 2100,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 2011,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Chengdu_J-20",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-18T12:57:12+00:00",
            "revision": "0284697d19c71837",
            "citation": "FastestPlanes, \"Chengdu J-20 Mighty Dragon\", https://fastestplanes.com/aircraft/chengdu-j-20/, record fp-aircraft-37, revision 0284697d19c71837. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-38",
            "entity_id": "https://fastestplanes.com/aircraft/chengdu-j-10/#aircraft",
            "url": "https://fastestplanes.com/aircraft/chengdu-j-10/",
            "name": "Chengdu J-10 Vigorous Dragon",
            "language": "en",
            "country": "China",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 2.2,
            "maximum_speed_kmh": 2327,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1998,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Chengdu_J-10",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-18T12:57:12+00:00",
            "revision": "f3d1ce8846bc9513",
            "citation": "FastestPlanes, \"Chengdu J-10 Vigorous Dragon\", https://fastestplanes.com/aircraft/chengdu-j-10/, record fp-aircraft-38, revision f3d1ce8846bc9513. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-39",
            "entity_id": "https://fastestplanes.com/aircraft/hal-tejas/#aircraft",
            "url": "https://fastestplanes.com/aircraft/hal-tejas/",
            "name": "HAL Tejas",
            "language": "en",
            "country": "India",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 1.8,
            "maximum_speed_kmh": 1920,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 2001,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://hal-india.co.in/Product_Details.aspx?Mcat_Id=1&Id=98",
                    "title": "Existing reference link",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                },
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/HAL_Tejas",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-18T12:57:12+00:00",
            "revision": "9ce31c7a66e19b4d",
            "citation": "FastestPlanes, \"HAL Tejas\", https://fastestplanes.com/aircraft/hal-tejas/, record fp-aircraft-39, revision 9ce31c7a66e19b4d. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-91",
            "entity_id": "https://fastestplanes.com/aircraft/f-117-nighthawk/#aircraft",
            "url": "https://fastestplanes.com/aircraft/f-117-nighthawk/",
            "name": "Lockheed F-117 Nighthawk",
            "language": "en",
            "country": "United States",
            "types": [
                "Stealth"
            ],
            "maximum_speed_mach": null,
            "maximum_speed_kmh": null,
            "speed_basis": "Qualitative published specification",
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": "Manufacturer: high subsonic. Museum maximum cruise: 684 mph (about 1,101 km/h), not entered as a top-speed record.",
            "speed_value_note": "No precise maximum is inferred from a fixed Mach conversion.",
            "cruise_speed_kind": "maximum_cruise",
            "cruise_speed_mach": null,
            "cruise_speed_mph": 684,
            "cruise_speed_kmh": 1100.809728,
            "first_flight_year": 1981,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "explicit_status_field",
            "sources": [
                {
                    "scope": "maximum_speed",
                    "url": "https://www.lockheedmartin.com/content/dam/lockheed-martin/aero/documents/F-117/F117%20Fast%20Facts_FINAL.pdf",
                    "title": "Lockheed Martin: F-117 Fast Facts (2019)",
                    "source_kind": "primary",
                    "claim": "The published speed category is high subsonic; this source does not give an exact maximum Mach number.",
                    "basis": "Qualitative published specification",
                    "event_date": null,
                    "checked_on": "2026-10-10",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "specification",
                    "url": "https://www.nationalmuseum.af.mil/Visit/Museum-Exhibits/Fact-Sheets/Display/Article/198056/lockheed-f-117a-nighthawk/",
                    "title": "National Museum of the USAF: F-117A",
                    "source_kind": "primary",
                    "claim": "The museum lists maximum cruise speed as 684 mph, not a certified top-speed record. It also lists a 45,000 ft ceiling and two 10,600 lbf F404-F1D2 engines.",
                    "basis": "Museum specification; cruise and maximum speed are distinct",
                    "event_date": null,
                    "checked_on": "2026-10-10",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "specification",
                    "url": "https://www.lockheedmartin.com/content/dam/lockheed-martin/aero/documents/F-117/F117%20Fast%20Facts_FINAL.pdf",
                    "title": "Lockheed Martin: F-117 dimensions and production",
                    "source_kind": "primary",
                    "claim": "The 2019 fact sheet lists 64 aircraft (59 production and five developmental prototypes), length 20.09 m, span 13.21 m, height 3.78 m, empty weight 13,381 kg and maximum takeoff weight 23,814 kg.",
                    "basis": "Dated manufacturer fact sheet",
                    "event_date": null,
                    "checked_on": "2026-10-10",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "milestone",
                    "url": "https://www.lockheedmartin.com/en-us/news/features/history/f-117.html",
                    "title": "Lockheed Martin: F-117 program history",
                    "source_kind": "primary",
                    "claim": "Have Blue preceded the F-117; the F-117 first flew in 1981, reached initial operational capability in 1983 and retired in 2008.",
                    "basis": "Program chronology; Have Blue is a separate demonstrator",
                    "event_date": null,
                    "checked_on": "2026-10-10",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "program_status",
                    "url": "https://www.acc.af.mil/News/Article/2781278/144th-fighter-wing-welcomes-f-117-nighthawks-for-training/",
                    "title": "144th Fighter Wing: F-117 training (2021)",
                    "source_kind": "primary",
                    "claim": "Two F-117s arrived at Fresno on 13 September 2021 for training; the report describes limited research and training use after retirement.",
                    "basis": "Dated official report, not a current fleet count",
                    "event_date": "2021-09-13",
                    "checked_on": "2026-10-10",
                    "check_method": "source_inspected"
                }
            ],
            "page_modified_at": "2026-10-10T16:27:34+00:00",
            "revision": "ffd50b362c43ced1",
            "citation": "FastestPlanes, \"Lockheed F-117 Nighthawk\", https://fastestplanes.com/aircraft/f-117-nighthawk/, record fp-aircraft-91, revision ffd50b362c43ced1. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-92",
            "entity_id": "https://fastestplanes.com/aircraft/b-2-spirit/#aircraft",
            "url": "https://fastestplanes.com/aircraft/b-2-spirit/",
            "name": "Northrop Grumman B-2 Spirit",
            "language": "en",
            "country": "United States",
            "types": [
                "Stealth"
            ],
            "maximum_speed_mach": 0.95,
            "maximum_speed_kmh": 1010,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1989,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://www.af.mil/About-Us/Fact-Sheets/Display/Article/104482/b-2-spirit/",
                    "title": "Existing reference link",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-18T07:27:24+00:00",
            "revision": "025e0e96ad75996c",
            "citation": "FastestPlanes, \"Northrop Grumman B-2 Spirit\", https://fastestplanes.com/aircraft/b-2-spirit/, record fp-aircraft-92, revision 025e0e96ad75996c. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-93",
            "entity_id": "https://fastestplanes.com/aircraft/b-21-raider/#aircraft",
            "url": "https://fastestplanes.com/aircraft/b-21-raider/",
            "name": "Northrop Grumman B-21 Raider",
            "language": "en",
            "country": "United States",
            "types": [
                "Stealth"
            ],
            "maximum_speed_mach": 0.95,
            "maximum_speed_kmh": 1000,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 2023,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://www.af.mil/About-Us/Fact-Sheets/Display/Article/104487/b-21-raider/",
                    "title": "Existing reference link",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-18T12:57:12+00:00",
            "revision": "8def357dd8bba639",
            "citation": "FastestPlanes, \"Northrop Grumman B-21 Raider\", https://fastestplanes.com/aircraft/b-21-raider/, record fp-aircraft-93, revision 8def357dd8bba639. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-100",
            "entity_id": "https://fastestplanes.com/aircraft/sr-72/#aircraft",
            "url": "https://fastestplanes.com/aircraft/sr-72/",
            "name": "Lockheed Martin SR-72 Son of Blackbird",
            "language": "en",
            "country": "United States",
            "types": [
                "Reconnaissance"
            ],
            "maximum_speed_mach": 6,
            "maximum_speed_kmh": null,
            "speed_basis": "Design target / estimate",
            "speed_is_projected": true,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": null,
            "first_flight_status": "unconfirmed",
            "first_flight_note": null,
            "first_flight_status_basis": "explicit_status_field",
            "sources": [
                {
                    "scope": "maximum_speed",
                    "url": "https://news.usni.org/2013/11/05/lockheed-martin-sr-72-plane-paper",
                    "title": "USNI News: historical Lockheed Martin SR-72 interview",
                    "source_kind": "historical_interview",
                    "claim": "The 2013 report describes a Mach 6 design concept. It does not establish a demonstrated speed or a confirmed first flight.",
                    "basis": "Historical design target",
                    "event_date": null,
                    "checked_on": "2026-09-28",
                    "check_method": "source_inspected"
                }
            ],
            "page_modified_at": "2026-09-28T15:37:01+00:00",
            "revision": "b3f0e2148634c2da",
            "citation": "FastestPlanes, \"Lockheed Martin SR-72 Son of Blackbird\", https://fastestplanes.com/aircraft/sr-72/, record fp-aircraft-100, revision b3f0e2148634c2da. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-101",
            "entity_id": "https://fastestplanes.com/aircraft/f-47-ngad/#aircraft",
            "url": "https://fastestplanes.com/aircraft/f-47-ngad/",
            "name": "Boeing F-47 NGAD",
            "language": "en",
            "country": "United States",
            "types": [
                "Stealth"
            ],
            "maximum_speed_mach": 2.5,
            "maximum_speed_kmh": null,
            "speed_basis": null,
            "speed_is_projected": true,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": null,
            "first_flight_status": "unconfirmed",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-02-18T12:57:12+00:00",
            "revision": "4cb371543deb6f82",
            "citation": "FastestPlanes, \"Boeing F-47 NGAD\", https://fastestplanes.com/aircraft/f-47-ngad/, record fp-aircraft-101, revision 4cb371543deb6f82. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-102",
            "entity_id": "https://fastestplanes.com/aircraft/tempest-gcap/#aircraft",
            "url": "https://fastestplanes.com/aircraft/tempest-gcap/",
            "name": "BAE Tempest / GCAP",
            "language": "en",
            "country": "International",
            "types": [
                "Stealth"
            ],
            "maximum_speed_mach": 2.5,
            "maximum_speed_kmh": null,
            "speed_basis": null,
            "speed_is_projected": true,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": null,
            "first_flight_status": "unconfirmed",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-02-18T12:57:12+00:00",
            "revision": "654995793b2c7f7c",
            "citation": "FastestPlanes, \"BAE Tempest / GCAP\", https://fastestplanes.com/aircraft/tempest-gcap/, record fp-aircraft-102, revision 654995793b2c7f7c. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-103",
            "entity_id": "https://fastestplanes.com/aircraft/boom-overture/#aircraft",
            "url": "https://fastestplanes.com/aircraft/boom-overture/",
            "name": "Boom Supersonic Overture",
            "language": "en",
            "country": "United States",
            "types": [
                "Airliner"
            ],
            "maximum_speed_mach": 1.7,
            "maximum_speed_kmh": null,
            "speed_basis": null,
            "speed_is_projected": true,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": null,
            "first_flight_status": "unconfirmed",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-02-18T12:57:12+00:00",
            "revision": "e2ceb10a615d7d2b",
            "citation": "FastestPlanes, \"Boom Supersonic Overture\", https://fastestplanes.com/aircraft/boom-overture/, record fp-aircraft-103, revision e2ceb10a615d7d2b. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-104",
            "entity_id": "https://fastestplanes.com/aircraft/hermeus-halcyon/#aircraft",
            "url": "https://fastestplanes.com/aircraft/hermeus-halcyon/",
            "name": "Hermeus Halcyon",
            "language": "en",
            "country": "United States",
            "types": [
                "Airliner"
            ],
            "maximum_speed_mach": 5,
            "maximum_speed_kmh": null,
            "speed_basis": "Design target / estimate",
            "speed_is_projected": true,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": "Historical Mach 5 passenger-aircraft concept; not a demonstrated Halcyon speed.",
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": null,
            "first_flight_status": "unconfirmed",
            "first_flight_note": "No documented Halcyon first flight in the inspected manufacturer roadmap.",
            "first_flight_status_basis": "explicit_status_field",
            "sources": [
                {
                    "scope": "program_status",
                    "url": "https://www.hermeus.com/aircraft",
                    "title": "Hermeus: Aircraft development roadmap",
                    "source_kind": "primary",
                    "claim": "The current roadmap describes unmanned demonstrators and staged high-speed development; it does not document a Halcyon first flight.",
                    "basis": "Manufacturer roadmap checked on October 7, 2026; no demonstrated Halcyon speed is claimed.",
                    "event_date": null,
                    "checked_on": "2026-10-07",
                    "check_method": "source_inspected"
                }
            ],
            "page_modified_at": "2026-10-07T09:25:05+00:00",
            "revision": "d3cf609c4b8ca08e",
            "citation": "FastestPlanes, \"Hermeus Halcyon\", https://fastestplanes.com/aircraft/hermeus-halcyon/, record fp-aircraft-104, revision d3cf609c4b8ca08e. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-165",
            "entity_id": "https://fastestplanes.com/aircraft/english-electric-lightning/#aircraft",
            "url": "https://fastestplanes.com/aircraft/english-electric-lightning/",
            "name": "English Electric Lightning",
            "language": "en",
            "country": "United Kingdom",
            "types": [
                "Fighter",
                "Interceptor"
            ],
            "maximum_speed_mach": 2.27,
            "maximum_speed_kmh": 2415,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1957,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-02-18T07:27:24+00:00",
            "revision": "775e1e93dff13477",
            "citation": "FastestPlanes, \"English Electric Lightning\", https://fastestplanes.com/aircraft/english-electric-lightning/, record fp-aircraft-165, revision 775e1e93dff13477. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-166",
            "entity_id": "https://fastestplanes.com/aircraft/saab-draken/#aircraft",
            "url": "https://fastestplanes.com/aircraft/saab-draken/",
            "name": "Saab J 35 Draken",
            "language": "en",
            "country": "Sweden",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 2,
            "maximum_speed_kmh": 2150,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1955,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-02-18T07:27:24+00:00",
            "revision": "d8218c4d1c042c86",
            "citation": "FastestPlanes, \"Saab J 35 Draken\", https://fastestplanes.com/aircraft/saab-draken/, record fp-aircraft-166, revision d8218c4d1c042c86. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-167",
            "entity_id": "https://fastestplanes.com/aircraft/dassault-mirage-f1/#aircraft",
            "url": "https://fastestplanes.com/aircraft/dassault-mirage-f1/",
            "name": "Dassault Mirage F1",
            "language": "en",
            "country": "France",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 2.2,
            "maximum_speed_kmh": 2338,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1966,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-02-18T07:27:24+00:00",
            "revision": "f560a7264c10e338",
            "citation": "FastestPlanes, \"Dassault Mirage F1\", https://fastestplanes.com/aircraft/dassault-mirage-f1/, record fp-aircraft-167, revision f560a7264c10e338. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-168",
            "entity_id": "https://fastestplanes.com/aircraft/dassault-mirage-iii/#aircraft",
            "url": "https://fastestplanes.com/aircraft/dassault-mirage-iii/",
            "name": "Dassault Mirage III",
            "language": "en",
            "country": "France",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 2.2,
            "maximum_speed_kmh": 2350,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1956,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-02-18T12:57:12+00:00",
            "revision": "e305a26cf9a9af77",
            "citation": "FastestPlanes, \"Dassault Mirage III\", https://fastestplanes.com/aircraft/dassault-mirage-iii/, record fp-aircraft-168, revision e305a26cf9a9af77. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-169",
            "entity_id": "https://fastestplanes.com/aircraft/mig-21-fishbed/#aircraft",
            "url": "https://fastestplanes.com/aircraft/mig-21-fishbed/",
            "name": "Mikoyan-Gurevich MiG-21 Fishbed",
            "language": "en",
            "country": "Russia/Soviet Union",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 2.05,
            "maximum_speed_kmh": 2175,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1956,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-02-18T07:27:24+00:00",
            "revision": "157fad4b26755110",
            "citation": "FastestPlanes, \"Mikoyan-Gurevich MiG-21 Fishbed\", https://fastestplanes.com/aircraft/mig-21-fishbed/, record fp-aircraft-169, revision 157fad4b26755110. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-170",
            "entity_id": "https://fastestplanes.com/aircraft/mig-29-fulcrum/#aircraft",
            "url": "https://fastestplanes.com/aircraft/mig-29-fulcrum/",
            "name": "Mikoyan MiG-29 Fulcrum",
            "language": "en",
            "country": "Russia",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 2.3,
            "maximum_speed_kmh": null,
            "speed_basis": "Published specification",
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": "Early MiG-29A; approximately Mach 2.3",
            "speed_value_note": "USAF museum gives an approximate figure; other references may round differently.",
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1977,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "explicit_status_field",
            "sources": [
                {
                    "scope": "maximum_speed",
                    "url": "https://www.nationalmuseum.af.mil/Visit/Museum-Exhibits/Fact-Sheets/Display/Article/197174/mikoyan-gurevich-mig-29a/",
                    "title": "National Museum of the US Air Force: MiG-29A",
                    "source_kind": "primary",
                    "claim": "Early MiG-29A maximum speed is listed as approximately Mach 2.3.",
                    "basis": "Approximate published specification",
                    "event_date": null,
                    "checked_on": "2026-09-28",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "first_flight",
                    "url": "https://www.nationalmuseum.af.mil/Visit/Museum-Exhibits/Fact-Sheets/Display/Article/197174/mikoyan-gurevich-mig-29a/",
                    "title": "National Museum of the U.S. Air Force: MiG-29A",
                    "source_kind": "primary",
                    "claim": "The MiG-29 first flew on October 6, 1977.",
                    "basis": "Reported first flight",
                    "event_date": "1977-10-06",
                    "checked_on": "2026-09-28",
                    "check_method": "source_inspected"
                }
            ],
            "page_modified_at": "2026-09-28T16:07:08+00:00",
            "revision": "5c308148d42d8983",
            "citation": "FastestPlanes, \"Mikoyan MiG-29 Fulcrum\", https://fastestplanes.com/aircraft/mig-29-fulcrum/, record fp-aircraft-170, revision 5c308148d42d8983. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-171",
            "entity_id": "https://fastestplanes.com/aircraft/northrop-f-5-tiger/#aircraft",
            "url": "https://fastestplanes.com/aircraft/northrop-f-5-tiger/",
            "name": "Northrop F-5 Tiger II",
            "language": "en",
            "country": "United States",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 1.6,
            "maximum_speed_kmh": null,
            "speed_basis": "Published specification",
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": "F-5E; published Mach 1.6, not a measured record",
            "speed_value_note": "MND journal rounds F-5E maximum to Mach 1.6; no fixed km/h conversion.",
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1972,
            "first_flight_status": "demonstrated",
            "first_flight_note": "F-5E Tiger II first flight; earlier F-5 family dates differ.",
            "first_flight_status_basis": "explicit_status_field",
            "sources": [
                {
                    "scope": "first_flight",
                    "url": "https://media.defense.gov/2015/Dec/15/2001339361/-1/-1/0/AFD-151215-828-002.PDF",
                    "title": "US Air Force historical chronology",
                    "source_kind": "primary",
                    "claim": "F-5E Tiger II first flight in 1972; do not substitute 1959 family or 1974 Taiwan production milestones.",
                    "basis": "Variant-specific first flight",
                    "event_date": null,
                    "checked_on": "2026-09-28",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "maximum_speed",
                    "url": "https://www.mnd.gov.tw/File/30487",
                    "title": "Taiwan Air Force journal, issue 668",
                    "source_kind": "primary",
                    "claim": "The F-5E specification is Mach 1.6; the article is not a maximum-speed test report.",
                    "basis": "Published specification",
                    "event_date": null,
                    "checked_on": "2026-09-28",
                    "check_method": "source_inspected"
                }
            ],
            "page_modified_at": "2026-09-28T16:07:07+00:00",
            "revision": "5d4ee734c0ae46f4",
            "citation": "FastestPlanes, \"Northrop F-5 Tiger II\", https://fastestplanes.com/aircraft/northrop-f-5-tiger/, record fp-aircraft-171, revision 5d4ee734c0ae46f4. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-179",
            "entity_id": "https://fastestplanes.com/aircraft/f-111-aardvark/#aircraft",
            "url": "https://fastestplanes.com/aircraft/f-111-aardvark/",
            "name": "General Dynamics F-111 Aardvark",
            "language": "en",
            "country": "United States",
            "types": [
                "Fighter",
                "Multirole"
            ],
            "maximum_speed_mach": 2.5,
            "maximum_speed_kmh": 2655,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1964,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-02-18T12:57:12+00:00",
            "revision": "2c70379b5738b87b",
            "citation": "FastestPlanes, \"General Dynamics F-111 Aardvark\", https://fastestplanes.com/aircraft/f-111-aardvark/, record fp-aircraft-179, revision 2c70379b5738b87b. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-180",
            "entity_id": "https://fastestplanes.com/aircraft/sukhoi-su-35/#aircraft",
            "url": "https://fastestplanes.com/aircraft/sukhoi-su-35/",
            "name": "Sukhoi Su-35 Flanker-E",
            "language": "en",
            "country": "Russia/Soviet Union",
            "types": [
                "Fighter",
                "Multirole"
            ],
            "maximum_speed_mach": 2.25,
            "maximum_speed_kmh": 2390,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 2008,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-02-18T12:57:12+00:00",
            "revision": "d67956dc4695e261",
            "citation": "FastestPlanes, \"Sukhoi Su-35 Flanker-E\", https://fastestplanes.com/aircraft/sukhoi-su-35/, record fp-aircraft-180, revision d67956dc4695e261. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-181",
            "entity_id": "https://fastestplanes.com/aircraft/kai-kf-21-boramae/#aircraft",
            "url": "https://fastestplanes.com/aircraft/kai-kf-21-boramae/",
            "name": "KAI KF-21 Boramae",
            "language": "en",
            "country": "South Korea",
            "types": [
                "Fighter",
                "Multirole"
            ],
            "maximum_speed_mach": 1.81,
            "maximum_speed_kmh": null,
            "speed_basis": "Design target / estimate",
            "speed_is_projected": true,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": "Manufacturer-published design specification; exact test maximum unverified",
            "speed_value_note": "KAI company publication gives Mach 1.81. No universal km/h conversion or flight-record claim.",
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 2022,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "explicit_status_field",
            "sources": [
                {
                    "scope": "maximum_speed",
                    "url": "https://www.koreaaero.com/KO/_UploadFiles/Cyclb/hi37KiwXP5e3ZXZgeURiXQ.pdf",
                    "title": "KAI company magazine",
                    "source_kind": "primary",
                    "claim": "KAI publishes Mach 1.81 as a performance figure; this source does not establish an observed flight-test maximum at that speed.",
                    "basis": "Manufacturer-published design specification",
                    "event_date": null,
                    "checked_on": "2026-09-28",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "first_flight",
                    "url": "https://dapa.go.kr/dapa/doc/selectDoc.do?bbsSeq=326&docSeq=15437&menuSeq=3069",
                    "title": "DAPA: KF-21 first flight",
                    "source_kind": "primary",
                    "claim": "KF-21 first flight occurred on 19 July 2022.",
                    "basis": "Reported flight milestone",
                    "event_date": "2022-07-19",
                    "checked_on": "2026-09-28",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "milestone",
                    "url": "https://www.dapa.go.kr/dapa/doc/selectDoc.do?bbsSeq=326&docSeq=59188&menuSeq=3069",
                    "title": "DAPA: first production KF-21 handover",
                    "source_kind": "primary",
                    "claim": "DAPA reports first production aircraft No. 001 handed over on 22 September 2026; publication is dated 23 September.",
                    "basis": "Production delivery, not full operational clearance",
                    "event_date": "2026-09-22",
                    "checked_on": "2026-09-28",
                    "check_method": "source_inspected"
                }
            ],
            "page_modified_at": "2026-09-28T16:07:10+00:00",
            "revision": "51fe95e1b57bb3a7",
            "citation": "FastestPlanes, \"KAI KF-21 Boramae\", https://fastestplanes.com/aircraft/kai-kf-21-boramae/, record fp-aircraft-181, revision 51fe95e1b57bb3a7. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-307",
            "entity_id": "https://fastestplanes.com/aircraft/sukhoi-su-34-fullback/#aircraft",
            "url": "https://fastestplanes.com/aircraft/sukhoi-su-34-fullback/",
            "name": "Sukhoi Su-34 Fullback",
            "language": "en",
            "country": "Russia/Soviet Union",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 1.8,
            "maximum_speed_kmh": 1900,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1990,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-07-13T15:21:15+00:00",
            "revision": "a1fc6e05d9d7932d",
            "citation": "FastestPlanes, \"Sukhoi Su-34 Fullback\", https://fastestplanes.com/aircraft/sukhoi-su-34-fullback/, record fp-aircraft-307, revision a1fc6e05d9d7932d. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-308",
            "entity_id": "https://fastestplanes.com/aircraft/mikoyan-mig-23-flogger/#aircraft",
            "url": "https://fastestplanes.com/aircraft/mikoyan-mig-23-flogger/",
            "name": "Mikoyan MiG-23 Flogger",
            "language": "en",
            "country": "Soviet Union",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 2.35,
            "maximum_speed_kmh": 2500,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1967,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Mikoyan-Gurevich_MiG-23",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:56:36+00:00",
            "revision": "6f897e7e77c5f75d",
            "citation": "FastestPlanes, \"Mikoyan MiG-23 Flogger\", https://fastestplanes.com/aircraft/mikoyan-mig-23-flogger/, record fp-aircraft-308, revision 6f897e7e77c5f75d. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-309",
            "entity_id": "https://fastestplanes.com/aircraft/shenyang-j-11/#aircraft",
            "url": "https://fastestplanes.com/aircraft/shenyang-j-11/",
            "name": "Shenyang J-11",
            "language": "en",
            "country": "China",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 2.35,
            "maximum_speed_kmh": 2500,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1998,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Shenyang_J-11",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:56:51+00:00",
            "revision": "7a757ecc63ee7172",
            "citation": "FastestPlanes, \"Shenyang J-11\", https://fastestplanes.com/aircraft/shenyang-j-11/, record fp-aircraft-309, revision 7a757ecc63ee7172. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-310",
            "entity_id": "https://fastestplanes.com/aircraft/sukhoi-su-30-flanker-c/#aircraft",
            "url": "https://fastestplanes.com/aircraft/sukhoi-su-30-flanker-c/",
            "name": "Sukhoi Su-30 Flanker-C",
            "language": "en",
            "country": "Russia/Soviet Union",
            "types": [
                "Multirole"
            ],
            "maximum_speed_mach": 2,
            "maximum_speed_kmh": 2120,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1989,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-07-13T15:21:12+00:00",
            "revision": "ddd24e1f328ee42e",
            "citation": "FastestPlanes, \"Sukhoi Su-30 Flanker-C\", https://fastestplanes.com/aircraft/sukhoi-su-30-flanker-c/, record fp-aircraft-310, revision ddd24e1f328ee42e. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-311",
            "entity_id": "https://fastestplanes.com/aircraft/mikoyan-mig-35-fulcrum-f/#aircraft",
            "url": "https://fastestplanes.com/aircraft/mikoyan-mig-35-fulcrum-f/",
            "name": "Mikoyan MiG-35 Fulcrum-F",
            "language": "en",
            "country": "Russia/Soviet Union",
            "types": [
                "Multirole"
            ],
            "maximum_speed_mach": 2,
            "maximum_speed_kmh": 2100,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 2016,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-07-13T15:21:11+00:00",
            "revision": "51ee8a3c37cf2ad2",
            "citation": "FastestPlanes, \"Mikoyan MiG-35 Fulcrum-F\", https://fastestplanes.com/aircraft/mikoyan-mig-35-fulcrum-f/, record fp-aircraft-311, revision 51ee8a3c37cf2ad2. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-312",
            "entity_id": "https://fastestplanes.com/aircraft/dassault-super-mystere/#aircraft",
            "url": "https://fastestplanes.com/aircraft/dassault-super-mystere/",
            "name": "Dassault Super Mystère",
            "language": "en",
            "country": "France",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 1.12,
            "maximum_speed_kmh": 1195,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1954,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Dassault_Super_Myst%C3%A8re",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:57:10+00:00",
            "revision": "9dd589fc167617fd",
            "citation": "FastestPlanes, \"Dassault Super Mystère\", https://fastestplanes.com/aircraft/dassault-super-mystere/, record fp-aircraft-312, revision 9dd589fc167617fd. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-313",
            "entity_id": "https://fastestplanes.com/aircraft/iai-kfir/#aircraft",
            "url": "https://fastestplanes.com/aircraft/iai-kfir/",
            "name": "IAI Kfir",
            "language": "en",
            "country": "Israel",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 2.3,
            "maximum_speed_kmh": 2440,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1973,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/IAI_Kfir",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:57:29+00:00",
            "revision": "7e36b4b5ddce63e6",
            "citation": "FastestPlanes, \"IAI Kfir\", https://fastestplanes.com/aircraft/iai-kfir/, record fp-aircraft-313, revision 7e36b4b5ddce63e6. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-314",
            "entity_id": "https://fastestplanes.com/aircraft/shenyang-j-8-finback/#aircraft",
            "url": "https://fastestplanes.com/aircraft/shenyang-j-8-finback/",
            "name": "Shenyang J-8 Finback",
            "language": "en",
            "country": "China",
            "types": [
                "Interceptor"
            ],
            "maximum_speed_mach": 2.2,
            "maximum_speed_kmh": 2340,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1969,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Shenyang_J-8",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:57:48+00:00",
            "revision": "5b800e5707b8b6e7",
            "citation": "FastestPlanes, \"Shenyang J-8 Finback\", https://fastestplanes.com/aircraft/shenyang-j-8-finback/, record fp-aircraft-314, revision 5b800e5707b8b6e7. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-315",
            "entity_id": "https://fastestplanes.com/aircraft/chengdu-j-7/#aircraft",
            "url": "https://fastestplanes.com/aircraft/chengdu-j-7/",
            "name": "Chengdu J-7",
            "language": "en",
            "country": "China",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 2,
            "maximum_speed_kmh": 2175,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1966,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Chengdu_J-7",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:58:08+00:00",
            "revision": "d52617d8c1088233",
            "citation": "FastestPlanes, \"Chengdu J-7\", https://fastestplanes.com/aircraft/chengdu-j-7/, record fp-aircraft-315, revision d52617d8c1088233. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-316",
            "entity_id": "https://fastestplanes.com/aircraft/bac-tsr-2/#aircraft",
            "url": "https://fastestplanes.com/aircraft/bac-tsr-2/",
            "name": "BAC TSR-2",
            "language": "en",
            "country": "United Kingdom",
            "types": [
                "Bomber"
            ],
            "maximum_speed_mach": 2,
            "maximum_speed_kmh": 2150,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1964,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-07-13T15:21:13+00:00",
            "revision": "15540ba99479cc6f",
            "citation": "FastestPlanes, \"BAC TSR-2\", https://fastestplanes.com/aircraft/bac-tsr-2/, record fp-aircraft-316, revision 15540ba99479cc6f. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-317",
            "entity_id": "https://fastestplanes.com/aircraft/avro-vulcan/#aircraft",
            "url": "https://fastestplanes.com/aircraft/avro-vulcan/",
            "name": "Avro Vulcan",
            "language": "en",
            "country": "United Kingdom",
            "types": [
                "Bomber"
            ],
            "maximum_speed_mach": 1,
            "maximum_speed_kmh": 1038,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1952,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-07-13T15:21:13+00:00",
            "revision": "3089b9b00449da4f",
            "citation": "FastestPlanes, \"Avro Vulcan\", https://fastestplanes.com/aircraft/avro-vulcan/, record fp-aircraft-317, revision 3089b9b00449da4f. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-318",
            "entity_id": "https://fastestplanes.com/aircraft/convair-f-102-delta-dagger/#aircraft",
            "url": "https://fastestplanes.com/aircraft/convair-f-102-delta-dagger/",
            "name": "Convair F-102 Delta Dagger",
            "language": "en",
            "country": "United States",
            "types": [
                "Interceptor"
            ],
            "maximum_speed_mach": 1.25,
            "maximum_speed_kmh": 1328,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1953,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Convair_F-102_Delta_Dagger",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:58:27+00:00",
            "revision": "4ceb9c7605746701",
            "citation": "FastestPlanes, \"Convair F-102 Delta Dagger\", https://fastestplanes.com/aircraft/convair-f-102-delta-dagger/, record fp-aircraft-318, revision 4ceb9c7605746701. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-319",
            "entity_id": "https://fastestplanes.com/aircraft/vought-f-8-crusader/#aircraft",
            "url": "https://fastestplanes.com/aircraft/vought-f-8-crusader/",
            "name": "Vought F-8 Crusader",
            "language": "en",
            "country": "United States",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 1.86,
            "maximum_speed_kmh": 1975,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1955,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Vought_F-8_Crusader",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:58:43+00:00",
            "revision": "8aaa3eef94701a70",
            "citation": "FastestPlanes, \"Vought F-8 Crusader\", https://fastestplanes.com/aircraft/vought-f-8-crusader/, record fp-aircraft-319, revision 8aaa3eef94701a70. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-320",
            "entity_id": "https://fastestplanes.com/aircraft/northrop-t-38-talon/#aircraft",
            "url": "https://fastestplanes.com/aircraft/northrop-t-38-talon/",
            "name": "Northrop T-38 Talon",
            "language": "en",
            "country": "United States",
            "types": [
                "Trainer"
            ],
            "maximum_speed_mach": 1.23,
            "maximum_speed_kmh": 1381,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1959,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Northrop_T-38_Talon",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:58:58+00:00",
            "revision": "71e8273ed2293697",
            "citation": "FastestPlanes, \"Northrop T-38 Talon\", https://fastestplanes.com/aircraft/northrop-t-38-talon/, record fp-aircraft-320, revision 71e8273ed2293697. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-321",
            "entity_id": "https://fastestplanes.com/aircraft/mikoyan-gurevich-mig-19-farmer/#aircraft",
            "url": "https://fastestplanes.com/aircraft/mikoyan-gurevich-mig-19-farmer/",
            "name": "Mikoyan-Gurevich MiG-19 Farmer",
            "language": "en",
            "country": "Soviet Union",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 1.35,
            "maximum_speed_kmh": 1452,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1952,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Mikoyan-Gurevich_MiG-19",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:55:36+00:00",
            "revision": "511d46bb2c2c0b0f",
            "citation": "FastestPlanes, \"Mikoyan-Gurevich MiG-19 Farmer\", https://fastestplanes.com/aircraft/mikoyan-gurevich-mig-19-farmer/, record fp-aircraft-321, revision 511d46bb2c2c0b0f. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-322",
            "entity_id": "https://fastestplanes.com/aircraft/douglas-f4d-skyray/#aircraft",
            "url": "https://fastestplanes.com/aircraft/douglas-f4d-skyray/",
            "name": "Douglas F4D Skyray",
            "language": "en",
            "country": "United States",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 1.05,
            "maximum_speed_kmh": 1211,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1951,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Douglas_F4D_Skyray",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:55:52+00:00",
            "revision": "3edee2d3b3dd91c7",
            "citation": "FastestPlanes, \"Douglas F4D Skyray\", https://fastestplanes.com/aircraft/douglas-f4d-skyray/, record fp-aircraft-322, revision 3edee2d3b3dd91c7. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-323",
            "entity_id": "https://fastestplanes.com/aircraft/republic-f-84f-thunderstreak/#aircraft",
            "url": "https://fastestplanes.com/aircraft/republic-f-84f-thunderstreak/",
            "name": "Republic F-84F Thunderstreak",
            "language": "en",
            "country": "United States",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 0.92,
            "maximum_speed_kmh": 1118,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1950,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Republic_F-84F_Thunderstreak",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:56:55+00:00",
            "revision": "604c31796dffd056",
            "citation": "FastestPlanes, \"Republic F-84F Thunderstreak\", https://fastestplanes.com/aircraft/republic-f-84f-thunderstreak/, record fp-aircraft-323, revision 604c31796dffd056. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-324",
            "entity_id": "https://fastestplanes.com/aircraft/sukhoi-su-7-fitter/#aircraft",
            "url": "https://fastestplanes.com/aircraft/sukhoi-su-7-fitter/",
            "name": "Sukhoi Su-7 Fitter",
            "language": "en",
            "country": "Soviet Union",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 2.04,
            "maximum_speed_kmh": 2170,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1955,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Sukhoi_Su-7",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:57:14+00:00",
            "revision": "4b25903b2f6c2432",
            "citation": "FastestPlanes, \"Sukhoi Su-7 Fitter\", https://fastestplanes.com/aircraft/sukhoi-su-7-fitter/, record fp-aircraft-324, revision 4b25903b2f6c2432. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-325",
            "entity_id": "https://fastestplanes.com/aircraft/sukhoi-su-24-fencer/#aircraft",
            "url": "https://fastestplanes.com/aircraft/sukhoi-su-24-fencer/",
            "name": "Sukhoi Su-24 Fencer",
            "language": "en",
            "country": "Soviet Union",
            "types": [
                "Bomber"
            ],
            "maximum_speed_mach": 1.6,
            "maximum_speed_kmh": 1700,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1967,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Sukhoi_Su-24",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-07-13T15:21:16+00:00",
            "revision": "2a17ee8af775b5de",
            "citation": "FastestPlanes, \"Sukhoi Su-24 Fencer\", https://fastestplanes.com/aircraft/sukhoi-su-24-fencer/, record fp-aircraft-325, revision 2a17ee8af775b5de. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-326",
            "entity_id": "https://fastestplanes.com/aircraft/mikoyan-ye-152-mig-21-variant/#aircraft",
            "url": "https://fastestplanes.com/aircraft/mikoyan-ye-152-mig-21-variant/",
            "name": "Mikoyan Ye-152 (MiG-21 variant)",
            "language": "en",
            "country": "Soviet Union",
            "types": [
                "Experimental"
            ],
            "maximum_speed_mach": 2.65,
            "maximum_speed_kmh": 2810,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1961,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Mikoyan-Gurevich_Ye-152",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:57:52+00:00",
            "revision": "b282c07354839335",
            "citation": "FastestPlanes, \"Mikoyan Ye-152 (MiG-21 variant)\", https://fastestplanes.com/aircraft/mikoyan-ye-152-mig-21-variant/, record fp-aircraft-326, revision b282c07354839335. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-327",
            "entity_id": "https://fastestplanes.com/aircraft/saab-37-viggen/#aircraft",
            "url": "https://fastestplanes.com/aircraft/saab-37-viggen/",
            "name": "Saab 37 Viggen",
            "language": "en",
            "country": "Sweden",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 2.1,
            "maximum_speed_kmh": 2231,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1967,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-07-13T15:26:54+00:00",
            "revision": "d8cb2f96048d8fe0",
            "citation": "FastestPlanes, \"Saab 37 Viggen\", https://fastestplanes.com/aircraft/saab-37-viggen/, record fp-aircraft-327, revision d8cb2f96048d8fe0. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-328",
            "entity_id": "https://fastestplanes.com/aircraft/dassault-mirage-iv/#aircraft",
            "url": "https://fastestplanes.com/aircraft/dassault-mirage-iv/",
            "name": "Dassault Mirage IV",
            "language": "en",
            "country": "France",
            "types": [
                "Bomber"
            ],
            "maximum_speed_mach": 2.2,
            "maximum_speed_kmh": 2340,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1959,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Dassault_Mirage_IV",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:58:11+00:00",
            "revision": "9013037869edbce9",
            "citation": "FastestPlanes, \"Dassault Mirage IV\", https://fastestplanes.com/aircraft/dassault-mirage-iv/, record fp-aircraft-328, revision 9013037869edbce9. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-329",
            "entity_id": "https://fastestplanes.com/aircraft/tupolev-tu-22m-backfire/#aircraft",
            "url": "https://fastestplanes.com/aircraft/tupolev-tu-22m-backfire/",
            "name": "Tupolev Tu-22M Backfire",
            "language": "en",
            "country": "Soviet Union",
            "types": [
                "Bomber"
            ],
            "maximum_speed_mach": 1.88,
            "maximum_speed_kmh": 2300,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1969,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Tupolev_Tu-22M",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:58:31+00:00",
            "revision": "90f2561aefc863a9",
            "citation": "FastestPlanes, \"Tupolev Tu-22M Backfire\", https://fastestplanes.com/aircraft/tupolev-tu-22m-backfire/, record fp-aircraft-329, revision 90f2561aefc863a9. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-330",
            "entity_id": "https://fastestplanes.com/aircraft/shenyang-j-15-flying-shark/#aircraft",
            "url": "https://fastestplanes.com/aircraft/shenyang-j-15-flying-shark/",
            "name": "Shenyang J-15 Flying Shark",
            "language": "en",
            "country": "China",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 2.25,
            "maximum_speed_kmh": 2400,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 2009,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-07-13T15:26:55+00:00",
            "revision": "7ebb07df2d1debe6",
            "citation": "FastestPlanes, \"Shenyang J-15 Flying Shark\", https://fastestplanes.com/aircraft/shenyang-j-15-flying-shark/, record fp-aircraft-330, revision 7ebb07df2d1debe6. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-331",
            "entity_id": "https://fastestplanes.com/aircraft/mitsubishi-f-2/#aircraft",
            "url": "https://fastestplanes.com/aircraft/mitsubishi-f-2/",
            "name": "Mitsubishi F-2",
            "language": "en",
            "country": "Japan",
            "types": [
                "Multirole"
            ],
            "maximum_speed_mach": 2,
            "maximum_speed_kmh": 2124,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1995,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-07-13T15:21:12+00:00",
            "revision": "0ac950d2c56d3f95",
            "citation": "FastestPlanes, \"Mitsubishi F-2\", https://fastestplanes.com/aircraft/mitsubishi-f-2/, record fp-aircraft-331, revision 0ac950d2c56d3f95. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-332",
            "entity_id": "https://fastestplanes.com/aircraft/mcdonnell-f-101-voodoo/#aircraft",
            "url": "https://fastestplanes.com/aircraft/mcdonnell-f-101-voodoo/",
            "name": "McDonnell F-101 Voodoo",
            "language": "en",
            "country": "United States",
            "types": [
                "Fighter",
                "Interceptor"
            ],
            "maximum_speed_mach": 1.72,
            "maximum_speed_kmh": 1943,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1954,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/McDonnell_F-101_Voodoo",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:38:32+00:00",
            "revision": "788812b584e4b2f0",
            "citation": "FastestPlanes, \"McDonnell F-101 Voodoo\", https://fastestplanes.com/aircraft/mcdonnell-f-101-voodoo/, record fp-aircraft-332, revision 788812b584e4b2f0. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-333",
            "entity_id": "https://fastestplanes.com/aircraft/north-american-a-5-vigilante/#aircraft",
            "url": "https://fastestplanes.com/aircraft/north-american-a-5-vigilante/",
            "name": "North American A-5 Vigilante",
            "language": "en",
            "country": "United States",
            "types": [
                "Bomber",
                "Reconnaissance"
            ],
            "maximum_speed_mach": 2,
            "maximum_speed_kmh": 2123,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1958,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/North_American_A-5_Vigilante",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:38:44+00:00",
            "revision": "2aa5dbf2c216f232",
            "citation": "FastestPlanes, \"North American A-5 Vigilante\", https://fastestplanes.com/aircraft/north-american-a-5-vigilante/, record fp-aircraft-333, revision 2aa5dbf2c216f232. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-334",
            "entity_id": "https://fastestplanes.com/aircraft/lockheed-yf-12/#aircraft",
            "url": "https://fastestplanes.com/aircraft/lockheed-yf-12/",
            "name": "Lockheed YF-12",
            "language": "en",
            "country": "United States",
            "types": [
                "Experimental",
                "Interceptor"
            ],
            "maximum_speed_mach": 3.2,
            "maximum_speed_kmh": 3331,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1963,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Lockheed_YF-12",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:38:56+00:00",
            "revision": "2a74a635125ac95b",
            "citation": "FastestPlanes, \"Lockheed YF-12\", https://fastestplanes.com/aircraft/lockheed-yf-12/, record fp-aircraft-334, revision 2a74a635125ac95b. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-335",
            "entity_id": "https://fastestplanes.com/aircraft/northrop-f-20-tigershark/#aircraft",
            "url": "https://fastestplanes.com/aircraft/northrop-f-20-tigershark/",
            "name": "Northrop F-20 Tigershark",
            "language": "en",
            "country": "United States",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 2.1,
            "maximum_speed_kmh": 2124,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1982,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Northrop_F-20_Tigershark",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:27:37+00:00",
            "revision": "531ceb22270417a3",
            "citation": "FastestPlanes, \"Northrop F-20 Tigershark\", https://fastestplanes.com/aircraft/northrop-f-20-tigershark/, record fp-aircraft-335, revision 531ceb22270417a3. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-336",
            "entity_id": "https://fastestplanes.com/aircraft/northrop-yf-23-black-widow-ii/#aircraft",
            "url": "https://fastestplanes.com/aircraft/northrop-yf-23-black-widow-ii/",
            "name": "Northrop YF-23 Black Widow II",
            "language": "en",
            "country": "United States",
            "types": [
                "Experimental",
                "Fighter",
                "Stealth"
            ],
            "maximum_speed_mach": 2.2,
            "maximum_speed_kmh": 2335,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1990,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Northrop_YF-23",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:27:40+00:00",
            "revision": "a3343fd7f2c3282f",
            "citation": "FastestPlanes, \"Northrop YF-23 Black Widow II\", https://fastestplanes.com/aircraft/northrop-yf-23-black-widow-ii/, record fp-aircraft-336, revision a3343fd7f2c3282f. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-337",
            "entity_id": "https://fastestplanes.com/aircraft/grumman-f-11-tiger/#aircraft",
            "url": "https://fastestplanes.com/aircraft/grumman-f-11-tiger/",
            "name": "Grumman F-11 Tiger",
            "language": "en",
            "country": "United States",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 1.1,
            "maximum_speed_kmh": 1207,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1954,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Grumman_F-11_Tiger",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:27:43+00:00",
            "revision": "baafec3a4993b3fe",
            "citation": "FastestPlanes, \"Grumman F-11 Tiger\", https://fastestplanes.com/aircraft/grumman-f-11-tiger/, record fp-aircraft-337, revision baafec3a4993b3fe. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-338",
            "entity_id": "https://fastestplanes.com/aircraft/north-american-f-107-ultra-sabre/#aircraft",
            "url": "https://fastestplanes.com/aircraft/north-american-f-107-ultra-sabre/",
            "name": "North American F-107 Ultra Sabre",
            "language": "en",
            "country": "United States",
            "types": [
                "Experimental",
                "Fighter"
            ],
            "maximum_speed_mach": 2,
            "maximum_speed_kmh": 2336,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1956,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/North_American_F-107",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:27:46+00:00",
            "revision": "cd796e18c8585098",
            "citation": "FastestPlanes, \"North American F-107 Ultra Sabre\", https://fastestplanes.com/aircraft/north-american-f-107-ultra-sabre/, record fp-aircraft-338, revision cd796e18c8585098. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-339",
            "entity_id": "https://fastestplanes.com/aircraft/lockheed-martin-x-59-quesst/#aircraft",
            "url": "https://fastestplanes.com/aircraft/lockheed-martin-x-59-quesst/",
            "name": "Lockheed Martin X-59 QueSST",
            "language": "en",
            "country": "United States",
            "types": [
                "Experimental"
            ],
            "maximum_speed_mach": 1.4,
            "maximum_speed_kmh": 1487,
            "speed_basis": "Demonstrated mission condition",
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": true,
            "speed_context": "X-59 demonstrated mission condition, 2026-06-12",
            "speed_value_note": "Approximately 924 mph × 1.609344 = 1487.033856 km/h; rounded to 1487 km/h.",
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 2025,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "explicit_status_field",
            "sources": [
                {
                    "scope": "maximum_speed",
                    "url": "https://www.nasa.gov/blogs/quesst/2026/06/12/x-59-blog-061226/",
                    "title": "NASA Quesst: X-59 reaches its mission conditions",
                    "source_kind": "primary",
                    "claim": "NASA reports Mach 1.4 and approximately 924 mph at about 55,000 feet on June 12, 2026. This is a demonstrated mission condition, not certification of an absolute maximum speed or completion of community acoustic testing.",
                    "basis": "Demonstrated mission condition",
                    "event_date": "2026-06-12",
                    "checked_on": "2026-09-28",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/X-59_QueSST",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-09-08T12:02:28+00:00",
            "revision": "c99eff0e0d233610",
            "citation": "FastestPlanes, \"Lockheed Martin X-59 QueSST\", https://fastestplanes.com/aircraft/lockheed-martin-x-59-quesst/, record fp-aircraft-339, revision c99eff0e0d233610. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-340",
            "entity_id": "https://fastestplanes.com/aircraft/bell-x-2-starbuster/#aircraft",
            "url": "https://fastestplanes.com/aircraft/bell-x-2-starbuster/",
            "name": "Bell X-2 Starbuster",
            "language": "en",
            "country": "United States",
            "types": [
                "Experimental"
            ],
            "maximum_speed_mach": 3.2,
            "maximum_speed_kmh": 3370,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1955,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Bell_X-2",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:27:52+00:00",
            "revision": "24c58de51e56c79b",
            "citation": "FastestPlanes, \"Bell X-2 Starbuster\", https://fastestplanes.com/aircraft/bell-x-2-starbuster/, record fp-aircraft-340, revision 24c58de51e56c79b. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-341",
            "entity_id": "https://fastestplanes.com/aircraft/douglas-x-3-stiletto/#aircraft",
            "url": "https://fastestplanes.com/aircraft/douglas-x-3-stiletto/",
            "name": "Douglas X-3 Stiletto",
            "language": "en",
            "country": "United States",
            "types": [
                "Experimental"
            ],
            "maximum_speed_mach": 1.208,
            "maximum_speed_kmh": 1136,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1952,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Douglas_X-3_Stiletto",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:39:56+00:00",
            "revision": "2fbaaceb0eac95b6",
            "citation": "FastestPlanes, \"Douglas X-3 Stiletto\", https://fastestplanes.com/aircraft/douglas-x-3-stiletto/, record fp-aircraft-341, revision 2fbaaceb0eac95b6. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-342",
            "entity_id": "https://fastestplanes.com/aircraft/douglas-d-558-ii-skyrocket/#aircraft",
            "url": "https://fastestplanes.com/aircraft/douglas-d-558-ii-skyrocket/",
            "name": "Douglas D-558-II Skyrocket",
            "language": "en",
            "country": "United States",
            "types": [
                "Experimental"
            ],
            "maximum_speed_mach": 2.005,
            "maximum_speed_kmh": 2078,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1948,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Douglas_D-558-2_Skyrocket",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:39:59+00:00",
            "revision": "748f4e56eb6e90b7",
            "citation": "FastestPlanes, \"Douglas D-558-II Skyrocket\", https://fastestplanes.com/aircraft/douglas-d-558-ii-skyrocket/, record fp-aircraft-342, revision 748f4e56eb6e90b7. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-343",
            "entity_id": "https://fastestplanes.com/aircraft/sukhoi-su-9-fishpot/#aircraft",
            "url": "https://fastestplanes.com/aircraft/sukhoi-su-9-fishpot/",
            "name": "Sukhoi Su-9 Fishpot",
            "language": "en",
            "country": "Soviet Union",
            "types": [
                "Interceptor"
            ],
            "maximum_speed_mach": 2,
            "maximum_speed_kmh": 2120,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1956,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Sukhoi_Su-9",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-07-13T15:21:17+00:00",
            "revision": "13c05d5d84f8800b",
            "citation": "FastestPlanes, \"Sukhoi Su-9 Fishpot\", https://fastestplanes.com/aircraft/sukhoi-su-9-fishpot/, record fp-aircraft-343, revision 13c05d5d84f8800b. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-344",
            "entity_id": "https://fastestplanes.com/aircraft/sukhoi-su-11-fishpot-c/#aircraft",
            "url": "https://fastestplanes.com/aircraft/sukhoi-su-11-fishpot-c/",
            "name": "Sukhoi Su-11 Fishpot-C",
            "language": "en",
            "country": "Soviet Union",
            "types": [
                "Interceptor"
            ],
            "maximum_speed_mach": 2.2,
            "maximum_speed_kmh": 2340,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1958,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Sukhoi_Su-11",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:40:23+00:00",
            "revision": "e70c98f24c4937ef",
            "citation": "FastestPlanes, \"Sukhoi Su-11 Fishpot-C\", https://fastestplanes.com/aircraft/sukhoi-su-11-fishpot-c/, record fp-aircraft-344, revision e70c98f24c4937ef. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-345",
            "entity_id": "https://fastestplanes.com/aircraft/sukhoi-su-15-flagon/#aircraft",
            "url": "https://fastestplanes.com/aircraft/sukhoi-su-15-flagon/",
            "name": "Sukhoi Su-15 Flagon",
            "language": "en",
            "country": "Soviet Union",
            "types": [
                "Interceptor"
            ],
            "maximum_speed_mach": 2.1,
            "maximum_speed_kmh": 2230,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1962,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Sukhoi_Su-15",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:40:34+00:00",
            "revision": "b328000264e0b34c",
            "citation": "FastestPlanes, \"Sukhoi Su-15 Flagon\", https://fastestplanes.com/aircraft/sukhoi-su-15-flagon/, record fp-aircraft-345, revision b328000264e0b34c. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-346",
            "entity_id": "https://fastestplanes.com/aircraft/sukhoi-su-17-fitter-variable-sweep/#aircraft",
            "url": "https://fastestplanes.com/aircraft/sukhoi-su-17-fitter-variable-sweep/",
            "name": "Sukhoi Su-17 Fitter (variable sweep)",
            "language": "en",
            "country": "Soviet Union",
            "types": [
                "Bomber",
                "Fighter"
            ],
            "maximum_speed_mach": 1.7,
            "maximum_speed_kmh": 1860,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1966,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Sukhoi_Su-17",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:40:44+00:00",
            "revision": "c30fe7b04df6a222",
            "citation": "FastestPlanes, \"Sukhoi Su-17 Fitter (variable sweep)\", https://fastestplanes.com/aircraft/sukhoi-su-17-fitter-variable-sweep/, record fp-aircraft-346, revision c30fe7b04df6a222. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-347",
            "entity_id": "https://fastestplanes.com/aircraft/sukhoi-su-33-flanker-d/#aircraft",
            "url": "https://fastestplanes.com/aircraft/sukhoi-su-33-flanker-d/",
            "name": "Sukhoi Su-33 Flanker-D",
            "language": "en",
            "country": "Russia",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 2.17,
            "maximum_speed_kmh": 2300,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1987,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Sukhoi_Su-33",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:40:55+00:00",
            "revision": "c55fa832a76e39ba",
            "citation": "FastestPlanes, \"Sukhoi Su-33 Flanker-D\", https://fastestplanes.com/aircraft/sukhoi-su-33-flanker-d/, record fp-aircraft-347, revision c55fa832a76e39ba. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-348",
            "entity_id": "https://fastestplanes.com/aircraft/sukhoi-su-47-berkut/#aircraft",
            "url": "https://fastestplanes.com/aircraft/sukhoi-su-47-berkut/",
            "name": "Sukhoi Su-47 Berkut",
            "language": "en",
            "country": "Russia",
            "types": [
                "Experimental",
                "Fighter"
            ],
            "maximum_speed_mach": 2.21,
            "maximum_speed_kmh": 2200,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1997,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Sukhoi_Su-47",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:41:06+00:00",
            "revision": "0254d2dbccbc6151",
            "citation": "FastestPlanes, \"Sukhoi Su-47 Berkut\", https://fastestplanes.com/aircraft/sukhoi-su-47-berkut/, record fp-aircraft-348, revision 0254d2dbccbc6151. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-349",
            "entity_id": "https://fastestplanes.com/aircraft/sukhoi-su-75-checkmate/#aircraft",
            "url": "https://fastestplanes.com/aircraft/sukhoi-su-75-checkmate/",
            "name": "Sukhoi Su-75 Checkmate",
            "language": "en",
            "country": "Russia",
            "types": [
                "Fighter",
                "Stealth"
            ],
            "maximum_speed_mach": 1.8,
            "maximum_speed_kmh": null,
            "speed_basis": null,
            "speed_is_projected": true,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 2024,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Sukhoi_Su-75_Checkmate",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:41:17+00:00",
            "revision": "cd269ac152c0bd5a",
            "citation": "FastestPlanes, \"Sukhoi Su-75 Checkmate\", https://fastestplanes.com/aircraft/sukhoi-su-75-checkmate/, record fp-aircraft-349, revision cd269ac152c0bd5a. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-350",
            "entity_id": "https://fastestplanes.com/aircraft/yakovlev-yak-28-brewer/#aircraft",
            "url": "https://fastestplanes.com/aircraft/yakovlev-yak-28-brewer/",
            "name": "Yakovlev Yak-28 Brewer",
            "language": "en",
            "country": "Soviet Union",
            "types": [
                "Bomber",
                "Interceptor"
            ],
            "maximum_speed_mach": 1.1,
            "maximum_speed_kmh": 1840,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1958,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Yakovlev_Yak-28",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:38:50+00:00",
            "revision": "4d28f97d658d1b05",
            "citation": "FastestPlanes, \"Yakovlev Yak-28 Brewer\", https://fastestplanes.com/aircraft/yakovlev-yak-28-brewer/, record fp-aircraft-350, revision 4d28f97d658d1b05. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-351",
            "entity_id": "https://fastestplanes.com/aircraft/yakovlev-yak-141-freestyle/#aircraft",
            "url": "https://fastestplanes.com/aircraft/yakovlev-yak-141-freestyle/",
            "name": "Yakovlev Yak-141 Freestyle",
            "language": "en",
            "country": "Soviet Union",
            "types": [
                "Experimental",
                "Fighter"
            ],
            "maximum_speed_mach": 1.7,
            "maximum_speed_kmh": 1800,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1987,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Yakovlev_Yak-141",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:38:54+00:00",
            "revision": "81faa85b3fc07477",
            "citation": "FastestPlanes, \"Yakovlev Yak-141 Freestyle\", https://fastestplanes.com/aircraft/yakovlev-yak-141-freestyle/, record fp-aircraft-351, revision 81faa85b3fc07477. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-352",
            "entity_id": "https://fastestplanes.com/aircraft/tupolev-tu-22-blinder/#aircraft",
            "url": "https://fastestplanes.com/aircraft/tupolev-tu-22-blinder/",
            "name": "Tupolev Tu-22 Blinder",
            "language": "en",
            "country": "Soviet Union",
            "types": [
                "Bomber"
            ],
            "maximum_speed_mach": 1.52,
            "maximum_speed_kmh": 1640,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1959,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Tupolev_Tu-22",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:38:58+00:00",
            "revision": "040210fdc3b0d241",
            "citation": "FastestPlanes, \"Tupolev Tu-22 Blinder\", https://fastestplanes.com/aircraft/tupolev-tu-22-blinder/, record fp-aircraft-352, revision 040210fdc3b0d241. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-353",
            "entity_id": "https://fastestplanes.com/aircraft/tupolev-tu-128-fiddler/#aircraft",
            "url": "https://fastestplanes.com/aircraft/tupolev-tu-128-fiddler/",
            "name": "Tupolev Tu-128 Fiddler",
            "language": "en",
            "country": "Soviet Union",
            "types": [
                "Interceptor"
            ],
            "maximum_speed_mach": 1.65,
            "maximum_speed_kmh": 1765,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1961,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Tupolev_Tu-128",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:39:02+00:00",
            "revision": "347a8de16a1c873b",
            "citation": "FastestPlanes, \"Tupolev Tu-128 Fiddler\", https://fastestplanes.com/aircraft/tupolev-tu-128-fiddler/, record fp-aircraft-353, revision 347a8de16a1c873b. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-354",
            "entity_id": "https://fastestplanes.com/aircraft/mikoyan-mig-27-flogger-d/#aircraft",
            "url": "https://fastestplanes.com/aircraft/mikoyan-mig-27-flogger-d/",
            "name": "Mikoyan MiG-27 Flogger-D",
            "language": "en",
            "country": "Soviet Union",
            "types": [
                "Bomber",
                "Fighter"
            ],
            "maximum_speed_mach": 1.7,
            "maximum_speed_kmh": 1885,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1970,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Mikoyan_MiG-27",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:39:06+00:00",
            "revision": "2aab677b20b3bba0",
            "citation": "FastestPlanes, \"Mikoyan MiG-27 Flogger-D\", https://fastestplanes.com/aircraft/mikoyan-mig-27-flogger-d/, record fp-aircraft-354, revision 2aab677b20b3bba0. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-355",
            "entity_id": "https://fastestplanes.com/aircraft/sukhoi-t-4-sotka/#aircraft",
            "url": "https://fastestplanes.com/aircraft/sukhoi-t-4-sotka/",
            "name": "Sukhoi T-4 Sotka",
            "language": "en",
            "country": "Soviet Union",
            "types": [
                "Bomber",
                "Experimental"
            ],
            "maximum_speed_mach": 3,
            "maximum_speed_kmh": 3200,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1972,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Sukhoi_T-4",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:39:10+00:00",
            "revision": "75493730abc0e887",
            "citation": "FastestPlanes, \"Sukhoi T-4 Sotka\", https://fastestplanes.com/aircraft/sukhoi-t-4-sotka/, record fp-aircraft-355, revision 75493730abc0e887. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-356",
            "entity_id": "https://fastestplanes.com/aircraft/mikoyan-mig-1-44/#aircraft",
            "url": "https://fastestplanes.com/aircraft/mikoyan-mig-1-44/",
            "name": "Mikoyan MiG-1.44",
            "language": "en",
            "country": "Soviet Union / Russia",
            "types": [
                "Experimental",
                "Fighter",
                "Stealth"
            ],
            "maximum_speed_mach": 2.6,
            "maximum_speed_kmh": 2500,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 2000,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Mikoyan_Project_1.44",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:39:14+00:00",
            "revision": "00c2b8db76ebca94",
            "citation": "FastestPlanes, \"Mikoyan MiG-1.44\", https://fastestplanes.com/aircraft/mikoyan-mig-1-44/, record fp-aircraft-356, revision 00c2b8db76ebca94. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-357",
            "entity_id": "https://fastestplanes.com/aircraft/myasishchev-m-50-bounder/#aircraft",
            "url": "https://fastestplanes.com/aircraft/myasishchev-m-50-bounder/",
            "name": "Myasishchev M-50 Bounder",
            "language": "en",
            "country": "Soviet Union",
            "types": [
                "Bomber",
                "Experimental"
            ],
            "maximum_speed_mach": 1.59,
            "maximum_speed_kmh": 1950,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1959,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Myasishchev_M-50",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:39:18+00:00",
            "revision": "6126d09bd887f8f1",
            "citation": "FastestPlanes, \"Myasishchev M-50 Bounder\", https://fastestplanes.com/aircraft/myasishchev-m-50-bounder/, record fp-aircraft-357, revision 6126d09bd887f8f1. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-358",
            "entity_id": "https://fastestplanes.com/aircraft/chengdu-j-36/#aircraft",
            "url": "https://fastestplanes.com/aircraft/chengdu-j-36/",
            "name": "Chengdu J-36",
            "language": "en",
            "country": "China",
            "types": [
                "Fighter",
                "Stealth"
            ],
            "maximum_speed_mach": 2,
            "maximum_speed_kmh": null,
            "speed_basis": null,
            "speed_is_projected": true,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 2024,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Chengdu_J-36",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:25:34+00:00",
            "revision": "8fd97fa57b4e2ac8",
            "citation": "FastestPlanes, \"Chengdu J-36\", https://fastestplanes.com/aircraft/chengdu-j-36/, record fp-aircraft-358, revision 8fd97fa57b4e2ac8. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-359",
            "entity_id": "https://fastestplanes.com/aircraft/shenyang-j-16/#aircraft",
            "url": "https://fastestplanes.com/aircraft/shenyang-j-16/",
            "name": "Shenyang J-16",
            "language": "en",
            "country": "China",
            "types": [
                "Fighter",
                "Multirole"
            ],
            "maximum_speed_mach": 2,
            "maximum_speed_kmh": 2120,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 2011,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Shenyang_J-16",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:26:21+00:00",
            "revision": "c9470fc22efbdfb3",
            "citation": "FastestPlanes, \"Shenyang J-16\", https://fastestplanes.com/aircraft/shenyang-j-16/, record fp-aircraft-359, revision c9470fc22efbdfb3. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-360",
            "entity_id": "https://fastestplanes.com/aircraft/shenyang-fc-31-j-35/#aircraft",
            "url": "https://fastestplanes.com/aircraft/shenyang-fc-31-j-35/",
            "name": "Shenyang FC-31 / J-35",
            "language": "en",
            "country": "China",
            "types": [
                "Fighter",
                "Stealth"
            ],
            "maximum_speed_mach": 1.8,
            "maximum_speed_kmh": 2200,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 2012,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Shenyang_FC-31",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:27:08+00:00",
            "revision": "fba0c4da71330015",
            "citation": "FastestPlanes, \"Shenyang FC-31 / J-35\", https://fastestplanes.com/aircraft/shenyang-fc-31-j-35/, record fp-aircraft-360, revision fba0c4da71330015. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-361",
            "entity_id": "https://fastestplanes.com/aircraft/xian-jh-7-flying-leopard/#aircraft",
            "url": "https://fastestplanes.com/aircraft/xian-jh-7-flying-leopard/",
            "name": "Xian JH-7 Flying Leopard",
            "language": "en",
            "country": "China",
            "types": [
                "Bomber",
                "Fighter"
            ],
            "maximum_speed_mach": 1.75,
            "maximum_speed_kmh": 1808,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1988,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Xian_JH-7",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:27:56+00:00",
            "revision": "5ba2cf55eba2fad1",
            "citation": "FastestPlanes, \"Xian JH-7 Flying Leopard\", https://fastestplanes.com/aircraft/xian-jh-7-flying-leopard/, record fp-aircraft-361, revision 5ba2cf55eba2fad1. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-362",
            "entity_id": "https://fastestplanes.com/aircraft/nanchang-q-5-fantan/#aircraft",
            "url": "https://fastestplanes.com/aircraft/nanchang-q-5-fantan/",
            "name": "Nanchang Q-5 Fantan",
            "language": "en",
            "country": "China",
            "types": [
                "Bomber",
                "Fighter"
            ],
            "maximum_speed_mach": 1.12,
            "maximum_speed_kmh": 1210,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1965,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Nanchang_Q-5",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:28:46+00:00",
            "revision": "e7ac397d99f67fae",
            "citation": "FastestPlanes, \"Nanchang Q-5 Fantan\", https://fastestplanes.com/aircraft/nanchang-q-5-fantan/, record fp-aircraft-362, revision e7ac397d99f67fae. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-363",
            "entity_id": "https://fastestplanes.com/aircraft/sepecat-jaguar/#aircraft",
            "url": "https://fastestplanes.com/aircraft/sepecat-jaguar/",
            "name": "SEPECAT Jaguar",
            "language": "en",
            "country": "France / United Kingdom",
            "types": [
                "Bomber",
                "Fighter"
            ],
            "maximum_speed_mach": 1.6,
            "maximum_speed_kmh": 1700,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1968,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/SEPECAT_Jaguar",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:29:44+00:00",
            "revision": "3f05d3f65ca19c85",
            "citation": "FastestPlanes, \"SEPECAT Jaguar\", https://fastestplanes.com/aircraft/sepecat-jaguar/, record fp-aircraft-363, revision 3f05d3f65ca19c85. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-364",
            "entity_id": "https://fastestplanes.com/aircraft/avro-canada-cf-105-arrow/#aircraft",
            "url": "https://fastestplanes.com/aircraft/avro-canada-cf-105-arrow/",
            "name": "Avro Canada CF-105 Arrow",
            "language": "en",
            "country": "Canada",
            "types": [
                "Experimental",
                "Interceptor"
            ],
            "maximum_speed_mach": 1.9,
            "maximum_speed_kmh": 2337,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1958,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Avro_Canada_CF-105_Arrow",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:30:36+00:00",
            "revision": "f2aa7fbc3f874401",
            "citation": "FastestPlanes, \"Avro Canada CF-105 Arrow\", https://fastestplanes.com/aircraft/avro-canada-cf-105-arrow/, record fp-aircraft-364, revision f2aa7fbc3f874401. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-365",
            "entity_id": "https://fastestplanes.com/aircraft/atlas-cheetah/#aircraft",
            "url": "https://fastestplanes.com/aircraft/atlas-cheetah/",
            "name": "Atlas Cheetah",
            "language": "en",
            "country": "South Africa",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 2.2,
            "maximum_speed_kmh": 2338,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1986,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Atlas_Cheetah",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:31:27+00:00",
            "revision": "0a725e7612dd6d28",
            "citation": "FastestPlanes, \"Atlas Cheetah\", https://fastestplanes.com/aircraft/atlas-cheetah/, record fp-aircraft-365, revision 0a725e7612dd6d28. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-366",
            "entity_id": "https://fastestplanes.com/aircraft/dassault-mirage-4000/#aircraft",
            "url": "https://fastestplanes.com/aircraft/dassault-mirage-4000/",
            "name": "Dassault Mirage 4000",
            "language": "en",
            "country": "France",
            "types": [
                "Experimental",
                "Fighter"
            ],
            "maximum_speed_mach": 2.3,
            "maximum_speed_kmh": 2445,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1979,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Dassault_Mirage_4000",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:32:19+00:00",
            "revision": "7927fcbdb82bcc12",
            "citation": "FastestPlanes, \"Dassault Mirage 4000\", https://fastestplanes.com/aircraft/dassault-mirage-4000/, record fp-aircraft-366, revision 7927fcbdb82bcc12. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-367",
            "entity_id": "https://fastestplanes.com/aircraft/hal-hf-24-marut/#aircraft",
            "url": "https://fastestplanes.com/aircraft/hal-hf-24-marut/",
            "name": "HAL HF-24 Marut",
            "language": "en",
            "country": "India",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 1.02,
            "maximum_speed_kmh": 1112,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1961,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/HAL_HF-24_Marut",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:35:37+00:00",
            "revision": "c15dcb8c287ff76b",
            "citation": "FastestPlanes, \"HAL HF-24 Marut\", https://fastestplanes.com/aircraft/hal-hf-24-marut/, record fp-aircraft-367, revision c15dcb8c287ff76b. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-368",
            "entity_id": "https://fastestplanes.com/aircraft/hesa-saeqeh/#aircraft",
            "url": "https://fastestplanes.com/aircraft/hesa-saeqeh/",
            "name": "HESA Saeqeh",
            "language": "en",
            "country": "Iran",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 1.5,
            "maximum_speed_kmh": 1700,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 2004,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/HESA_Saeqeh",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:35:39+00:00",
            "revision": "4deb471c1e43236e",
            "citation": "FastestPlanes, \"HESA Saeqeh\", https://fastestplanes.com/aircraft/hesa-saeqeh/, record fp-aircraft-368, revision 4deb471c1e43236e. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-369",
            "entity_id": "https://fastestplanes.com/aircraft/hesa-kowsar/#aircraft",
            "url": "https://fastestplanes.com/aircraft/hesa-kowsar/",
            "name": "HESA Kowsar",
            "language": "en",
            "country": "Iran",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 1.4,
            "maximum_speed_kmh": 1700,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 2018,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/HESA_Kowsar",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:35:41+00:00",
            "revision": "36a722ed05cd6a58",
            "citation": "FastestPlanes, \"HESA Kowsar\", https://fastestplanes.com/aircraft/hesa-kowsar/, record fp-aircraft-369, revision 36a722ed05cd6a58. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-370",
            "entity_id": "https://fastestplanes.com/aircraft/tai-tf-x-kaan/#aircraft",
            "url": "https://fastestplanes.com/aircraft/tai-tf-x-kaan/",
            "name": "TAI TF-X Kaan",
            "language": "en",
            "country": "Turkey",
            "types": [
                "Fighter",
                "Stealth"
            ],
            "maximum_speed_mach": 1.8,
            "maximum_speed_kmh": null,
            "speed_basis": null,
            "speed_is_projected": true,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 2024,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/TAI_TFX",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-02-27T09:35:43+00:00",
            "revision": "304ed101fa038097",
            "citation": "FastestPlanes, \"TAI TF-X Kaan\", https://fastestplanes.com/aircraft/tai-tf-x-kaan/, record fp-aircraft-370, revision 304ed101fa038097. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-371",
            "entity_id": "https://fastestplanes.com/aircraft/hindustan-amca/#aircraft",
            "url": "https://fastestplanes.com/aircraft/hindustan-amca/",
            "name": "Hindustan AMCA",
            "language": "en",
            "country": "India",
            "types": [
                "Fighter",
                "Stealth"
            ],
            "maximum_speed_mach": 2,
            "maximum_speed_kmh": null,
            "speed_basis": "Design target / estimate",
            "speed_is_projected": true,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": null,
            "first_flight_status": "unconfirmed",
            "first_flight_note": null,
            "first_flight_status_basis": "explicit_status_field",
            "sources": [
                {
                    "scope": "program_status",
                    "url": "https://www.pib.gov.in/PressReleasePage.aspx?PRID=2131528",
                    "title": "Government of India: AMCA programme announcement",
                    "source_kind": "primary",
                    "claim": "An AMCA programme approval and development milestone; this source is not evidence of a measured Mach 2 flight.",
                    "basis": "Programme milestone",
                    "event_date": null,
                    "checked_on": "2026-09-28",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "program_status",
                    "url": "https://www.pib.gov.in/PressReleasePage.aspx?PRID=2261387",
                    "title": "Government of India: AMCA programme update",
                    "source_kind": "primary",
                    "claim": "A programme update; it is not a source for a completed first flight or a measured maximum speed.",
                    "basis": "Programme milestone",
                    "event_date": null,
                    "checked_on": "2026-09-28",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/HAL_AMCA",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-09-28T15:37:01+00:00",
            "revision": "c3308acbd20f639a",
            "citation": "FastestPlanes, \"Hindustan AMCA\", https://fastestplanes.com/aircraft/hindustan-amca/, record fp-aircraft-371, revision c3308acbd20f639a. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-372",
            "entity_id": "https://fastestplanes.com/aircraft/boeing-f-a-18e-f-super-hornet/#aircraft",
            "url": "https://fastestplanes.com/aircraft/boeing-f-a-18e-f-super-hornet/",
            "name": "Boeing F/A-18E/F Super Hornet",
            "language": "en",
            "country": "United States",
            "types": [
                "Fighter",
                "Multirole"
            ],
            "maximum_speed_mach": 1.8,
            "maximum_speed_kmh": 1915,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1995,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Boeing_F/A-18E/F_Super_Hornet",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-03-14T10:30:25+00:00",
            "revision": "b4c55e8672ad2f72",
            "citation": "FastestPlanes, \"Boeing F/A-18E/F Super Hornet\", https://fastestplanes.com/aircraft/boeing-f-a-18e-f-super-hornet/, record fp-aircraft-372, revision b4c55e8672ad2f72. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-373",
            "entity_id": "https://fastestplanes.com/aircraft/dassault-mirage-5/#aircraft",
            "url": "https://fastestplanes.com/aircraft/dassault-mirage-5/",
            "name": "Dassault Mirage 5",
            "language": "en",
            "country": "France",
            "types": [
                "Bomber",
                "Fighter"
            ],
            "maximum_speed_mach": 2.1,
            "maximum_speed_kmh": 2350,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1967,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Dassault_Mirage_5",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-03-14T10:30:22+00:00",
            "revision": "ba649c23e86a7cda",
            "citation": "FastestPlanes, \"Dassault Mirage 5\", https://fastestplanes.com/aircraft/dassault-mirage-5/, record fp-aircraft-373, revision ba649c23e86a7cda. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-374",
            "entity_id": "https://fastestplanes.com/aircraft/mitsubishi-f-1/#aircraft",
            "url": "https://fastestplanes.com/aircraft/mitsubishi-f-1/",
            "name": "Mitsubishi F-1",
            "language": "en",
            "country": "Japan",
            "types": [
                "Fighter"
            ],
            "maximum_speed_mach": 1.6,
            "maximum_speed_kmh": 1700,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1975,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Mitsubishi_F-1",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-03-14T10:30:18+00:00",
            "revision": "3ba2fc0cc0ab1f86",
            "citation": "FastestPlanes, \"Mitsubishi F-1\", https://fastestplanes.com/aircraft/mitsubishi-f-1/, record fp-aircraft-374, revision 3ba2fc0cc0ab1f86. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-375",
            "entity_id": "https://fastestplanes.com/aircraft/mitsubishi-x-2-shinshin/#aircraft",
            "url": "https://fastestplanes.com/aircraft/mitsubishi-x-2-shinshin/",
            "name": "Mitsubishi X-2 Shinshin",
            "language": "en",
            "country": "Japan",
            "types": [
                "Experimental",
                "Fighter",
                "Stealth"
            ],
            "maximum_speed_mach": 1.6,
            "maximum_speed_kmh": 2000,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 2016,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Mitsubishi_X-2_Shinshin",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-03-14T10:30:14+00:00",
            "revision": "b49b296f839aea05",
            "citation": "FastestPlanes, \"Mitsubishi X-2 Shinshin\", https://fastestplanes.com/aircraft/mitsubishi-x-2-shinshin/, record fp-aircraft-375, revision b49b296f839aea05. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-870",
            "entity_id": "https://fastestplanes.com/aircraft/boeing-x-32/#aircraft",
            "url": "https://fastestplanes.com/aircraft/boeing-x-32/",
            "name": "Boeing X-32",
            "language": "en",
            "country": "United States",
            "types": [
                "Experimental",
                "Fighter"
            ],
            "maximum_speed_mach": 1.6,
            "maximum_speed_kmh": 1931,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 2000,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-06-04T10:58:34+00:00",
            "revision": "2f0a98e109947a7f",
            "citation": "FastestPlanes, \"Boeing X-32\", https://fastestplanes.com/aircraft/boeing-x-32/, record fp-aircraft-870, revision 2f0a98e109947a7f. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-871",
            "entity_id": "https://fastestplanes.com/aircraft/convair-f2y-sea-dart/#aircraft",
            "url": "https://fastestplanes.com/aircraft/convair-f2y-sea-dart/",
            "name": "Convair F2Y Sea Dart",
            "language": "en",
            "country": "United States",
            "types": [
                "Experimental",
                "Fighter"
            ],
            "maximum_speed_mach": 1.25,
            "maximum_speed_kmh": 1325,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1953,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-06-04T10:58:35+00:00",
            "revision": "4f9d4a3c7f9f0d0d",
            "citation": "FastestPlanes, \"Convair F2Y Sea Dart\", https://fastestplanes.com/aircraft/convair-f2y-sea-dart/, record fp-aircraft-871, revision 4f9d4a3c7f9f0d0d. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-872",
            "entity_id": "https://fastestplanes.com/aircraft/north-american-xf-108-rapier/#aircraft",
            "url": "https://fastestplanes.com/aircraft/north-american-xf-108-rapier/",
            "name": "North American XF-108 Rapier",
            "language": "en",
            "country": "United States",
            "types": [
                "Experimental",
                "Interceptor"
            ],
            "maximum_speed_mach": 3,
            "maximum_speed_kmh": null,
            "speed_basis": null,
            "speed_is_projected": true,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": null,
            "first_flight_status": "unconfirmed",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-06-04T10:58:35+00:00",
            "revision": "6707cc3431a498e5",
            "citation": "FastestPlanes, \"North American XF-108 Rapier\", https://fastestplanes.com/aircraft/north-american-xf-108-rapier/, record fp-aircraft-872, revision 6707cc3431a498e5. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-873",
            "entity_id": "https://fastestplanes.com/aircraft/lockheed-have-blue/#aircraft",
            "url": "https://fastestplanes.com/aircraft/lockheed-have-blue/",
            "name": "Lockheed Have Blue",
            "language": "en",
            "country": "United States",
            "types": [
                "Experimental",
                "Stealth"
            ],
            "maximum_speed_mach": 0.8,
            "maximum_speed_kmh": 982,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1977,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-06-04T10:58:35+00:00",
            "revision": "69a4ed00e1dad738",
            "citation": "FastestPlanes, \"Lockheed Have Blue\", https://fastestplanes.com/aircraft/lockheed-have-blue/, record fp-aircraft-873, revision 69a4ed00e1dad738. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-874",
            "entity_id": "https://fastestplanes.com/aircraft/northrop-tacit-blue/#aircraft",
            "url": "https://fastestplanes.com/aircraft/northrop-tacit-blue/",
            "name": "Northrop Tacit Blue",
            "language": "en",
            "country": "United States",
            "types": [
                "Experimental",
                "Stealth"
            ],
            "maximum_speed_mach": 0.6,
            "maximum_speed_kmh": 463,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1982,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-06-04T10:58:35+00:00",
            "revision": "7dcb2541a882b872",
            "citation": "FastestPlanes, \"Northrop Tacit Blue\", https://fastestplanes.com/aircraft/northrop-tacit-blue/, record fp-aircraft-874, revision 7dcb2541a882b872. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-875",
            "entity_id": "https://fastestplanes.com/aircraft/boeing-f-15ex-eagle-ii/#aircraft",
            "url": "https://fastestplanes.com/aircraft/boeing-f-15ex-eagle-ii/",
            "name": "Boeing F-15EX Eagle II",
            "language": "en",
            "country": "United States",
            "types": [
                "Fighter",
                "Multirole"
            ],
            "maximum_speed_mach": 2.5,
            "maximum_speed_kmh": null,
            "speed_basis": "Published specification",
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": "Boeing publishes Mach 2.5; the two-seat aircraft can be operated by one pilot.",
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 2021,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "milestone",
                    "url": "https://www.afmc.af.mil/News/Article-Display/Article/2534057/air-force-receives-first-f-15ex/",
                    "title": "U.S. Air Force: First F-15EX acceptance",
                    "source_kind": "primary",
                    "claim": "The Air Force accepted its first F-15EX on March 10, 2021 for the test program; its two-seat airframe can be operated by one pilot.",
                    "basis": "Acceptance for testing is not initial operational capability.",
                    "event_date": "2021-03-10",
                    "checked_on": "2026-10-07",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "milestone",
                    "url": "https://www.gao.gov/assets/gao-25-107569.pdf",
                    "title": "GAO: Weapon Systems Annual Assessment 2025",
                    "source_kind": "primary",
                    "claim": "The F-15EX achieved initial operational capability in July 2024.",
                    "basis": "Operational-readiness milestone, separate from the 2021 first test delivery.",
                    "event_date": null,
                    "checked_on": "2026-10-07",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "reference",
                    "url": "https://www.boeing.com/defense/fighters-and-bombers/f-15ex-eagle",
                    "title": "Boeing: F-15EX Eagle II",
                    "source_kind": "primary",
                    "claim": "Boeing publishes Mach 2.5 for the F-15EX.",
                    "basis": "Manufacturer specification for the EX variant.",
                    "event_date": null,
                    "checked_on": "2026-10-07",
                    "check_method": "source_inspected"
                }
            ],
            "page_modified_at": "2026-10-07T10:28:27+00:00",
            "revision": "8d10018b00e8bb6f",
            "citation": "FastestPlanes, \"Boeing F-15EX Eagle II\", https://fastestplanes.com/aircraft/boeing-f-15ex-eagle-ii/, record fp-aircraft-875, revision 8d10018b00e8bb6f. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-876",
            "entity_id": "https://fastestplanes.com/aircraft/xian-h-20/#aircraft",
            "url": "https://fastestplanes.com/aircraft/xian-h-20/",
            "name": "Xian H-20",
            "language": "en",
            "country": "China",
            "types": [
                "Bomber",
                "Stealth"
            ],
            "maximum_speed_mach": 0.85,
            "maximum_speed_kmh": null,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": null,
            "first_flight_status": "unconfirmed",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-06-04T10:58:36+00:00",
            "revision": "c98e3fd8b1250ded",
            "citation": "FastestPlanes, \"Xian H-20\", https://fastestplanes.com/aircraft/xian-h-20/, record fp-aircraft-876, revision c98e3fd8b1250ded. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-877",
            "entity_id": "https://fastestplanes.com/aircraft/sukhoi-su-37-flanker-f/#aircraft",
            "url": "https://fastestplanes.com/aircraft/sukhoi-su-37-flanker-f/",
            "name": "Sukhoi Su-37 Flanker-F",
            "language": "en",
            "country": "Russia",
            "types": [
                "Experimental",
                "Fighter"
            ],
            "maximum_speed_mach": 2.35,
            "maximum_speed_kmh": 2500,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1996,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-06-04T10:58:36+00:00",
            "revision": "e9618f5676814fd6",
            "citation": "FastestPlanes, \"Sukhoi Su-37 Flanker-F\", https://fastestplanes.com/aircraft/sukhoi-su-37-flanker-f/, record fp-aircraft-877, revision e9618f5676814fd6. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-878",
            "entity_id": "https://fastestplanes.com/aircraft/bell-x-5/#aircraft",
            "url": "https://fastestplanes.com/aircraft/bell-x-5/",
            "name": "Bell X-5",
            "language": "en",
            "country": "United States",
            "types": [
                "Experimental"
            ],
            "maximum_speed_mach": 0.93,
            "maximum_speed_kmh": 1141,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1951,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-06-04T10:58:36+00:00",
            "revision": "0002eeea89706de8",
            "citation": "FastestPlanes, \"Bell X-5\", https://fastestplanes.com/aircraft/bell-x-5/, record fp-aircraft-878, revision 0002eeea89706de8. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-879",
            "entity_id": "https://fastestplanes.com/aircraft/convair-xf-92a/#aircraft",
            "url": "https://fastestplanes.com/aircraft/convair-xf-92a/",
            "name": "Convair XF-92A",
            "language": "en",
            "country": "United States",
            "types": [
                "Experimental"
            ],
            "maximum_speed_mach": 0.95,
            "maximum_speed_kmh": 1167,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1948,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-06-04T10:58:37+00:00",
            "revision": "30fc0286e291c5fd",
            "citation": "FastestPlanes, \"Convair XF-92A\", https://fastestplanes.com/aircraft/convair-xf-92a/, record fp-aircraft-879, revision 30fc0286e291c5fd. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-880",
            "entity_id": "https://fastestplanes.com/aircraft/republic-xf-91-thunderceptor/#aircraft",
            "url": "https://fastestplanes.com/aircraft/republic-xf-91-thunderceptor/",
            "name": "Republic XF-91 Thunderceptor",
            "language": "en",
            "country": "United States",
            "types": [
                "Experimental",
                "Interceptor"
            ],
            "maximum_speed_mach": 1.18,
            "maximum_speed_kmh": 1448,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1949,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-06-04T11:04:29+00:00",
            "revision": "1a437de8a0a12603",
            "citation": "FastestPlanes, \"Republic XF-91 Thunderceptor\", https://fastestplanes.com/aircraft/republic-xf-91-thunderceptor/, record fp-aircraft-880, revision 1a437de8a0a12603. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-881",
            "entity_id": "https://fastestplanes.com/aircraft/northrop-yf-17-cobra/#aircraft",
            "url": "https://fastestplanes.com/aircraft/northrop-yf-17-cobra/",
            "name": "Northrop YF-17 Cobra",
            "language": "en",
            "country": "United States",
            "types": [
                "Experimental",
                "Fighter"
            ],
            "maximum_speed_mach": 1.95,
            "maximum_speed_kmh": 2092,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1974,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-06-04T11:04:29+00:00",
            "revision": "3e05296735dab53c",
            "citation": "FastestPlanes, \"Northrop YF-17 Cobra\", https://fastestplanes.com/aircraft/northrop-yf-17-cobra/, record fp-aircraft-881, revision 3e05296735dab53c. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-882",
            "entity_id": "https://fastestplanes.com/aircraft/kai-t-50-golden-eagle/#aircraft",
            "url": "https://fastestplanes.com/aircraft/kai-t-50-golden-eagle/",
            "name": "KAI T-50 Golden Eagle",
            "language": "en",
            "country": "South Korea",
            "types": [
                "Trainer"
            ],
            "maximum_speed_mach": 1.5,
            "maximum_speed_kmh": 1837,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 2002,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-06-04T11:04:29+00:00",
            "revision": "42916a807d975db3",
            "citation": "FastestPlanes, \"KAI T-50 Golden Eagle\", https://fastestplanes.com/aircraft/kai-t-50-golden-eagle/, record fp-aircraft-882, revision 42916a807d975db3. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-883",
            "entity_id": "https://fastestplanes.com/aircraft/aidc-f-ck-1-ching-kuo/#aircraft",
            "url": "https://fastestplanes.com/aircraft/aidc-f-ck-1-ching-kuo/",
            "name": "AIDC F-CK-1 Ching-Kuo",
            "language": "en",
            "country": "Taiwan",
            "types": [
                "Fighter",
                "Multirole"
            ],
            "maximum_speed_mach": 1.8,
            "maximum_speed_kmh": 2204,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1989,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-06-04T11:04:30+00:00",
            "revision": "0e8e6b307e34f872",
            "citation": "FastestPlanes, \"AIDC F-CK-1 Ching-Kuo\", https://fastestplanes.com/aircraft/aidc-f-ck-1-ching-kuo/, record fp-aircraft-883, revision 0e8e6b307e34f872. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-884",
            "entity_id": "https://fastestplanes.com/aircraft/republic-xf-103-thunderwarrior/#aircraft",
            "url": "https://fastestplanes.com/aircraft/republic-xf-103-thunderwarrior/",
            "name": "Republic XF-103 Thunderwarrior",
            "language": "en",
            "country": "United States",
            "types": [
                "Experimental",
                "Interceptor"
            ],
            "maximum_speed_mach": 3.7,
            "maximum_speed_kmh": null,
            "speed_basis": null,
            "speed_is_projected": true,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": null,
            "first_flight_status": "unconfirmed",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-06-04T11:04:30+00:00",
            "revision": "85c0b30c1405165d",
            "citation": "FastestPlanes, \"Republic XF-103 Thunderwarrior\", https://fastestplanes.com/aircraft/republic-xf-103-thunderwarrior/, record fp-aircraft-884, revision 85c0b30c1405165d. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-885",
            "entity_id": "https://fastestplanes.com/aircraft/boeing-x-36-tailless/#aircraft",
            "url": "https://fastestplanes.com/aircraft/boeing-x-36-tailless/",
            "name": "Boeing X-36 Tailless Agility Research Aircraft",
            "language": "en",
            "country": "United States",
            "types": [
                "Experimental"
            ],
            "maximum_speed_mach": 0.5,
            "maximum_speed_kmh": 370,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1997,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-06-04T11:04:30+00:00",
            "revision": "fbf721dfefa2440a",
            "citation": "FastestPlanes, \"Boeing X-36 Tailless Agility Research Aircraft\", https://fastestplanes.com/aircraft/boeing-x-36-tailless/, record fp-aircraft-885, revision fbf721dfefa2440a. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-886",
            "entity_id": "https://fastestplanes.com/aircraft/lockheed-xf-90/#aircraft",
            "url": "https://fastestplanes.com/aircraft/lockheed-xf-90/",
            "name": "Lockheed XF-90",
            "language": "en",
            "country": "United States",
            "types": [
                "Experimental",
                "Fighter"
            ],
            "maximum_speed_mach": 1.12,
            "maximum_speed_kmh": 1078,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1949,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-06-04T11:04:30+00:00",
            "revision": "2ca80ba50de22695",
            "citation": "FastestPlanes, \"Lockheed XF-90\", https://fastestplanes.com/aircraft/lockheed-xf-90/, record fp-aircraft-886, revision 2ca80ba50de22695. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-887",
            "entity_id": "https://fastestplanes.com/aircraft/convair-kingfish/#aircraft",
            "url": "https://fastestplanes.com/aircraft/convair-kingfish/",
            "name": "Convair Kingfish",
            "language": "en",
            "country": "United States",
            "types": [
                "Experimental",
                "Reconnaissance"
            ],
            "maximum_speed_mach": null,
            "maximum_speed_kmh": null,
            "speed_basis": "Design cruise specification",
            "speed_is_projected": true,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": "CIA July 1959 drawing: cruise Mach 3.2 at 85,000–94,000 ft; not entered as maximum speed.",
            "speed_value_note": "Cruise design value is separate from maximum-speed fields; no measured flight record.",
            "cruise_speed_kind": "design_cruise",
            "cruise_speed_mach": 3.2,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": null,
            "first_flight_status": "never_flown",
            "first_flight_note": "Cancelled proposal; radar models were built, but no flying aircraft.",
            "first_flight_status_basis": "explicit_status_field",
            "sources": [
                {
                    "scope": "specification",
                    "url": "https://www.cia.gov/resources/csi/static/Archangel-CIAs-Supersonic-A-12-Reconnaissance-Aircraft.pdf",
                    "title": "CIA: Archangel (2012), pp. 4–6",
                    "source_kind": "primary",
                    "claim": "Kingfish was a separate ground-launched proposal; the July 1959 drawing specifies cruise Mach 3.2 and cruise altitude 85,000–94,000 ft.",
                    "basis": "Design cruise conditions; not a flown maximum",
                    "event_date": null,
                    "checked_on": "2026-10-10",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "program_status",
                    "url": "https://www.cia.gov/resources/csi/static/Archangel-CIAs-Supersonic-A-12-Reconnaissance-Aircraft.pdf",
                    "title": "CIA: GUSTO selection history",
                    "source_kind": "primary",
                    "claim": "The selection panel chose the A-12 on 29 August 1959; Kingfish did not become an operational aircraft.",
                    "basis": "Historical selection outcome",
                    "event_date": "1959-08-29",
                    "checked_on": "2026-10-10",
                    "check_method": "source_inspected"
                },
                {
                    "scope": "specification",
                    "url": "https://codeonemagazine.org/c5_article.html?item_id=184",
                    "title": "Code One: Convair Kingfish final design",
                    "source_kind": "secondary",
                    "claim": "The final proposal measured 73 ft 7 in long, 60 ft in span and 18 ft 4 in high; radar-test models, including a seven-tenths-scale model, were built.",
                    "basis": "Manufacturer history based on Convair final report; proposed dimensions and models",
                    "event_date": null,
                    "checked_on": "2026-10-10",
                    "check_method": "source_inspected"
                }
            ],
            "page_modified_at": "2026-10-10T16:27:32+00:00",
            "revision": "f57137e3933f18a7",
            "citation": "FastestPlanes, \"Convair Kingfish\", https://fastestplanes.com/aircraft/convair-kingfish/, record fp-aircraft-887, revision f57137e3933f18a7. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-888",
            "entity_id": "https://fastestplanes.com/aircraft/lockheed-a-12-oxcart/#aircraft",
            "url": "https://fastestplanes.com/aircraft/lockheed-a-12-oxcart/",
            "name": "Lockheed A-12 OXCART",
            "language": "en",
            "country": "United States",
            "types": [
                "Reconnaissance"
            ],
            "maximum_speed_mach": 3.35,
            "maximum_speed_kmh": 4108,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1962,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-06-04T11:04:31+00:00",
            "revision": "2b065f26a4f0f8b1",
            "citation": "FastestPlanes, \"Lockheed A-12 OXCART\", https://fastestplanes.com/aircraft/lockheed-a-12-oxcart/, record fp-aircraft-888, revision 2b065f26a4f0f8b1. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-889",
            "entity_id": "https://fastestplanes.com/aircraft/mitsubishi-t-2/#aircraft",
            "url": "https://fastestplanes.com/aircraft/mitsubishi-t-2/",
            "name": "Mitsubishi T-2",
            "language": "en",
            "country": "Japan",
            "types": [
                "Trainer"
            ],
            "maximum_speed_mach": 1.6,
            "maximum_speed_kmh": 1700,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1971,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [],
            "page_modified_at": "2026-06-04T11:04:31+00:00",
            "revision": "02979a228210a5e0",
            "citation": "FastestPlanes, \"Mitsubishi T-2\", https://fastestplanes.com/aircraft/mitsubishi-t-2/, record fp-aircraft-889, revision 02979a228210a5e0. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-945",
            "entity_id": "https://fastestplanes.com/aircraft/lockheed-d-21/#aircraft",
            "url": "https://fastestplanes.com/aircraft/lockheed-d-21/",
            "name": "Lockheed D-21",
            "language": "en",
            "country": "United States",
            "types": [
                "Reconnaissance"
            ],
            "maximum_speed_mach": 3.35,
            "maximum_speed_kmh": 3600,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1964,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Lockheed_D-21",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-07-03T00:11:06+00:00",
            "revision": "e6ab927273c2f7ba",
            "citation": "FastestPlanes, \"Lockheed D-21\", https://fastestplanes.com/aircraft/lockheed-d-21/, record fp-aircraft-945, revision e6ab927273c2f7ba. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-947",
            "entity_id": "https://fastestplanes.com/aircraft/tupolev-tu-123/#aircraft",
            "url": "https://fastestplanes.com/aircraft/tupolev-tu-123/",
            "name": "Tupolev Tu-123 Yastreb",
            "language": "en",
            "country": "Soviet Union",
            "types": [
                "Reconnaissance"
            ],
            "maximum_speed_mach": 2.3,
            "maximum_speed_kmh": 2700,
            "speed_basis": null,
            "speed_is_projected": false,
            "maximum_speed_kmh_is_approximate": null,
            "speed_context": null,
            "speed_value_note": null,
            "cruise_speed_kind": null,
            "cruise_speed_mach": null,
            "cruise_speed_mph": null,
            "cruise_speed_kmh": null,
            "first_flight_year": 1960,
            "first_flight_status": "demonstrated",
            "first_flight_note": null,
            "first_flight_status_basis": "inferred_from_legacy_fields",
            "sources": [
                {
                    "scope": "reference",
                    "url": "https://en.wikipedia.org/wiki/Tupolev_Tu-123",
                    "title": "Wikipedia reference",
                    "source_kind": "unspecified",
                    "claim": null,
                    "basis": null,
                    "event_date": null,
                    "checked_on": null,
                    "check_method": "link_only"
                }
            ],
            "page_modified_at": "2026-07-03T00:11:31+00:00",
            "revision": "d9079de9f98e0fe3",
            "citation": "FastestPlanes, \"Tupolev Tu-123 Yastreb\", https://fastestplanes.com/aircraft/tupolev-tu-123/, record fp-aircraft-947, revision d9079de9f98e0fe3. Secondary compilation; consult scoped source records."
        },
        {
            "id": "fp-aircraft-949",
            "entity_id": "https://fastestplanes.com/aircraft/avic-wz-8/#aircraft",
            "url": "https://fastestplanes.com/aircraft/avic-wz-8/",
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            ],
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            "citation": "FastestPlanes, \"AVIC WZ-8\", https://fastestplanes.com/aircraft/avic-wz-8/, record fp-aircraft-949, revision 9059d1b829afa7ee. Secondary compilation; consult scoped source records."
        },
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            "url": "https://fastestplanes.com/aircraft/boeing-qf-16/",
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            "sources": [
                {
                    "scope": "reference",
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            "revision": "c1bb934fbd8f4021",
            "citation": "FastestPlanes, \"Boeing QF-16\", https://fastestplanes.com/aircraft/boeing-qf-16/, record fp-aircraft-953, revision c1bb934fbd8f4021. Secondary compilation; consult scoped source records."
        }
    ]
}