X-1A pilots

X-1A flights

{, cellpadding="5" cellspacing="0" border="1" , - bgcolor="#efefef" ! align="left" width="65" , Vehicle
Flight # ! align="left" width="120" , Date ! align="left" width="125" , Pilot ! align="left" width="50" , Aircraft ! align="left" width="65" , Agency ! align="left" width="50" , Velocity
-Mach- ! align="left" width="50" , Altitude
- m - ! align="left" width="175" , Comments , - , X-1A #1 , February 14, 1953 , Jean Ziegler , 48-1384 , Bell 1 , ? , ? , Pilot familiarization. Fuel jettison test. Glide flight. , - , X-1A #2 , February 14, 1953 , Jean Ziegler , 48-1384 , Bell 2 , ? , ? , Planned powered flight. Propellant system problems. Glide flight. , - , X-1A #3 , February 21, 1953 , Jean Ziegler , 48-1384 , Bell 3 , ? , ? , First X1-A powered flight. False fire alarm. , - , X-1A #4 , March 26, 1953 , Jean Ziegler , 48-1384 , Bell 4 , ? , ? , Aircraft fired all four cylinders. , - , X-1A #5 , April 10, 1953 , Jean Ziegler , 48-1384 , Bell 5 , 0.93 , ? , Pilot found low-frequency elevator buzz at mach 0.93. , - , X-1A #6 , April 25, 1953 , Jean Ziegler , 48-1384 , Bell 6 , 0.93 , ? , Pilot again found low-frequency elevator buzz at mach 0.93. Turbopump overspeeding caused powered flight abort. , - , X-1A #7 , November 21, 1953 , Chuck Yeager , 48-1384 , USAF 1 , 1.15 , ? , Familiarization flight. , - , X-1A #8 , December 2, 1953 , Chuck Yeager , 48-1384 , USAF 2 , 1.5 , ? , - , - , X-1A #9 , December 8, 1953 , Chuck Yeager , 48-1384 , USAF 3 , 1.9 , 18,300 , First high-mach flight. Achieved mach 1.9 during slight climb. , - , X-1A #10 , December 12, 1953 , Chuck Yeager , 48-1384 , USAF 4 , 2.44 , 15,250 , Encountered severe instability above mach 2.3. Inverted spin from apogee down to 7,624 m. Pilot recovered control. , - , X-1A #11 , March 21, 1954 , Arthur Murray , 48-1384 , USAF 5 , ? , ? , Estimated flight date. , - , X-1A #12 , April 4, 1954 , Arthur Murray , 48-1384 , USAF 6 , ? , ? , Estimated flight date. , - , X-1A #13 , April 11, 1954 , Arthur Murray , 48-1384 , USAF 7 , ? , ? , Estimated flight date. , - , X-1A #14 , April 25, 1954 , Arthur Murray , 48-1384 , USAF 8 , ? , ? , Estimated flight date. , - , X-1A #15 , May 14, 1954 , Arthur Murray , 48-1384 , USAF 9 , ? , ? , Estimated flight date. , - , X-1A #16 , May 28, 1954 , Arthur Murray , 48-1384 , USAF 10 , ? , 26,564 , Attained unofficial world altitude record for that time. , - , X-1A #17 , June 4, 1954 , Arthur Murray , 48-1384 , USAF 11 , 1.97 , 27,374 , Attained unofficial world altitude record. Encountered severe instability at mach 1.97. Tumbled out of control from apogee down to 20,130 m. , - , X-1A #18 , June 18, 1954 , Arthur Murray , 48-1384 , USAF 12 , ? , ? , Estimated flight date. , - , X-1A #19 , July 2, 1954 , Arthur Murray , 48-1384 , USAF 13 , ? , ? , Estimated flight date. , - , X-1A #20 , July 16, 1954 , Arthur Murray , 48-1384 , USAF 14 , ? , ? , Estimated flight date. , - , X-1A #21 , July 30, 1954 , Arthur Murray , 48-1384 , USAF 15 , ? , ? , Estimated flight date. , - , X-1A #22 , August 8, 1954 , Arthur Murray , 48-1384 , USAF 16 , ? , ? , Estimated flight date. , - , X-1A #23 , August 19, 1954 , Arthur Murray , 48-1384 , USAF 17 , ? , ? , Estimated flight date. , - , X-1A #24 , August 26, 1954 , Arthur Murray , 48-1384 , USAF 18 , ? , 27,584 , Last USAF flight. Turned over to NACA. , - , X-1A #25 , July 20, 1955 , Joseph Walker , 48-1384 , NACA 1 , 1.45 , 13,725 , First NACA flight. Severe aileron buzz at mach 0.90 to 0.92. , - , X-1A #26 , August 8, 1955 , Joseph Walker , 48-1384 , NACA 2 , ? , ? , Planned second NACA flight. X-1A suffered small in flight explosion. Pilot exited into B-29. X-1A jettisoned and destroyed.

X-1A pilots

X-1A flights

See also