Mission description
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.
August 22, 1963 at 6:05 PM UTC
Air launch to Suborbital flight

LAUNCH IN
August 22, 1963 at 6:05 PM UTC
Status: Launch Successful · Live feed refreshes every 30 seconds
Edwards Air Force Base
Air launch to Suborbital flight · 34.9056, -117.8840
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.
Height
15.47 m
Diameter
6.61 m
LEO capacity
0 kg
Successful launches
12
Air launch to Suborbital flight
Edwards Air Force Base
Open mapConnected program records
Same launch vehicle
August 21, 1968 at 5:05 PM UTC
November 15, 1967 at 6:30 PM UTC
October 17, 1967 at 5:40 PM UTC
November 1, 1966 at 9:24 PM UTC
October 14, 1965 at 8:47 PM UTC
September 28, 1965 at 6:08 PM UTC