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X-1A

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X-1A
Credit: NASA

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Status: Study 1951.

The X-1A and X-1D were destroyed in in-flight explosions; the X-1B survived, training future moon lander Neil Armstrong on its last flights in 1958.

• X-1A Flight 1 - . Crew: Ziegler. Payload: X-1A flight 1. Nation: USA. Related Persons: Ziegler. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: XS-1. Spacecraft: X-1A. Bell flight 1. Pilot familiarization. Fuel jettison test. Glide flight only..

• X-1A Flight 2 - . Crew: Ziegler. Payload: X-1A flight 2. Nation: USA. Related Persons: Ziegler. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: XS-1. Spacecraft: X-1A. Bell flight 2. Planned as powered flight, but completed as glide flight following propellant-system difficulties..

• X-1A Flight 3 - . Crew: Ziegler. Payload: X-1A flight 3. Nation: USA. Related Persons: Ziegler. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: XS-1. Spacecraft: X-1A. Bell flight 3. First powered flight. False fire warning..

• X-1A Flight 4 - . Crew: Ziegler. Payload: X-1A flight 4. Nation: USA. Related Persons: Ziegler. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: XS-1. Spacecraft: X-1A. Bell flight 4. Plane demonstrated successful 4-cylinder engine operation..

• X-1A Flight 5 - . Crew: Ziegler. Payload: X-1A flight 5. Nation: USA. Related Persons: Ziegler. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: XS-1. Spacecraft: X-1A. Bell flight 5. Pilot noted low-frequency elevator buzz at mach 0.93, did not proceed above this speed, pending buzz investigation..

• X-1A Flight 6 - . Crew: Ziegler. Payload: X-1A flight 6. Nation: USA. Related Persons: Ziegler. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: XS-1. Spacecraft: X-1A. Bell flight 6. Buzz again noted at mach 0.93. Turbopump overspeeding caused pilot to terminate power and jettison remaining fuel..

• X-1A Flight 7 - . Crew: Yeager. Payload: X-1A flight 7. Nation: USA. Related Persons: Yeager. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: XS-1. Spacecraft: X-1A. AF flight 1. Reached mach 1.15. Familiarization purposes..

• X-1A Flight 8 - . Crew: Yeager. Payload: X-1A flight 8. Nation: USA. Related Persons: Yeager. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: XS-1. Spacecraft: X-1A. AF flight 2. Mach 1.5..

• X-1A Flight 9 - . Crew: Yeager. Payload: X-1A flight 9. Nation: USA. Related Persons: Yeager. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: XS-1. Spacecraft: X-1A. AF flight 3. First high-mach flight attempt by X-1A. Mach 1.9 attained at 18300 m during slight climb..

• X-1A Flight 10 - . Crew: Yeager. Payload: X-1A flight 10. Nation: USA. Related Persons: Yeager. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: XS-1. Spacecraft: X-1A. AF flight 4. Plane attained mach 2.44, but met violent instability above mach 2.3. Tumbled 15250 m, wound up in subsonic inverted spin. Yeager recovered to upright spin, then normal flight at 7625 m..

• X-1A Flight 11 - . Crew: Murray. Payload: X-1A flight 11. Nation: USA. Related Persons: Murray. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: XS-1. Spacecraft: X-1A. AF flight 5. Date estimated..

• X-1A Flight 12 - . Crew: Murray. Payload: X-1A flight 12. Nation: USA. Related Persons: Murray. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: XS-1. Spacecraft: X-1A. AF flight 6. Date estimated..

• X-1A Flight 13 - . Crew: Murray. Payload: X-1A flight 13. Nation: USA. Related Persons: Murray. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: XS-1. Spacecraft: X-1A. AF flight 7. Date estimated..

• X-1A Flight 14 - . Crew: Murray. Payload: X-1A flight 14. Nation: USA. Related Persons: Murray. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: XS-1. Spacecraft: X-1A. AF flight 8. Date estimated..

• X-1A Flight 15 - . Crew: Murray. Payload: X-1A flight 15. Nation: USA. Related Persons: Murray. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: XS-1. Spacecraft: X-1A. AF flight 9. Date estimated..

• X-1A Flight 16 - . Crew: Murray. Payload: X-1A flight 16. Nation: USA. Related Persons: Murray. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: XS-1. Spacecraft: X-1A. AF flight 10. X-1A attained 26564 m, un-official world altitude record for manned aircraft..

• X-1A Flight 17 - . Crew: Murray. Payload: X-1A flight 17. Nation: USA. Related Persons: Murray. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: XS-1. Spacecraft: X-1A. AF flight 11. X-1A reached 27374 m. Encountered same instability Yeager had, but at mach 1.97. Murray recovered after tumbling 6100 m down to 20130 m..

• X-1A Flight 18 - . Crew: Murray. Payload: X-1A flight 18. Nation: USA. Related Persons: Murray. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: XS-1. Spacecraft: X-1A. AF flight 12. Date estimated..

• X-1A Flight 19 - . Crew: Murray. Payload: X-1A flight 19. Nation: USA. Related Persons: Murray. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: XS-1. Spacecraft: X-1A. AF flight 13. Date estimated..

• X-1A Flight 20 - . Crew: Murray. Payload: X-1A flight 20. Nation: USA. Related Persons: Murray. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: XS-1. Spacecraft: X-1A. AF flight 14. Date estimated..

• X-1A Flight 21 - . Crew: Murray. Payload: X-1A flight 21. Nation: USA. Related Persons: Murray. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: XS-1. Spacecraft: X-1A. AF flight 15. Date estimated..

• X-1A Flight 22 - . Crew: Murray. Payload: X-1A flight 22. Nation: USA. Related Persons: Murray. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: XS-1. Spacecraft: X-1A. AF flight 16. Date estimated..

• X-1A Flight 23 - . Crew: Murray. Payload: X-1A flight 23. Nation: USA. Related Persons: Murray. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: XS-1. Spacecraft: X-1A. AF flight 17. Date estimated..

• X-1A Flight 24 - . Crew: Murray. Payload: X-1A flight 24. Nation: USA. Related Persons: Murray. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: XS-1. Spacecraft: X-1A. AF flight 18. Murray attained 27584 m. Air Force then turned X-1A over to NACA..

• X-1A Flight 25 - . Crew: Walker, Joseph. Payload: X-1A flight 25. Nation: USA. Related Persons: Walker, Joseph. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: XS-1. Spacecraft: X-1A. NACA flight 1. Familiarization. Walker attained mach 1.45 at 13725 m. Noted severe aileron buzz at mach 0.90 to 0.92..

• X-1A Flight 26 - . Crew: Walker, Joseph. Payload: X-1A flight 26. Nation: USA. Related Persons: Walker, Joseph. Class: Manned. Type: Manned rocketplane. Spacecraft Bus: XS-1. Spacecraft: X-1A. Planned at NACA flight 2. Shortly before launch from B-29, X-1A suffered low-order explosion, later traced to detonation of Ulmer leather gaskets. Walker exited into B-29 bomb bay..