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X-15 Flight 91 was a 1963 American crewed mission, and the second and final flight in the program to achieve sub-orbital spaceflight—a flight over 100 km in altitude. It was the highest flight of the X-15 program.
Serial 56-6672
Launch Crew Count 1
Status Destroyed
Landing Time 1963-08-22T18:17:05+0000
Nationality American
Date Of Birth 1921-02-20
Deceased 1966-06-08
Status Deceased
Type Government
Height 15.47 Meters
Max Stages 1
Mass To GTO 0 kg
Liftoff Thrust 286 kN
Diameter 6.61 Meters
Mass To LEO 0 kg
Liftoff Mass 15195 Tonnes
Launch Success 12
Consecutive Success 1
Maiden Flight 1959-06-08
Launch Failures 1
Experimental hypersonic rocket-powered aircraft.