UNITED STATES AIR FORCE
X-15 | Flight 91
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Aug 22, 1963 at 18:05 UTC
▸ Flight profile›
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PADEdwards Air Force Base
SITEAir launch to Suborbital flight →ORBITSuborbital
TYPETest Flight
PROGRAMX-15
MISSION OVERVIEW
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.
LAUNCH DETAILS
VEHICLE
North American X-15AGENCY
United States Air ForceMISSION
Flight 91
MISSION TYPE
Test Flight
TARGET ORBIT
Suborbital
LAUNCH PAD
Edwards Air Force BaseLAUNCH SITE
Air launch to Suborbital flightPROGRAM
X-15
COUNTRY
USA
LAUNCH TIME VERIFICATION
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: 6da57141-ac4f-4932-8136-1ed6d507b618
Reported date: Aug 22, 1963 at 18:05 UTC
Last synced: 5 minutes ago
This launch date and time are confirmed by the launch provider. Countdown is active.
LAUNCH MAP
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NORTH AMERICAN X-15 — X-15-3
56-6672SERIAL
11FLIGHTS
SuborbitalDESTINATION
DestroyedSTATUS
FLIGHT-PROVEN CAPSULE
Third X-15 experimental rocket plane. Destroyed during flight 191.
CREW MANIFEST
Joseph A. WalkerPilot
VEHICLE — North American X-15 →
MANUFACTURER
North American Aviation
FLIGHTS
13
SUCCESSES
12
SUCCESS RATE
92.3%
The North American X-15 was a hypersonic rocket-powered aircraft operated by the United States Air Force and the National Aeronautics and Space Administration as part of the X-plane series of experimental aircraft.
MORE INFO
FREQUENTLY ASKED QUESTIONS
When is the X-15 | Flight 91 launch?
The X-15 | Flight 91 is scheduled for Thursday, August 22, 1963 at 6:05 PM UTC. This is the NET (No Earlier Than) time and may be subject to change. Current status: SUCCESS.
What rocket is being used for Flight 91?
The X-15 | Flight 91 mission uses the North American X-15 rocket, manufactured by North American Aviation. The North American X-15 has flown 13 times with a 92.3% success rate.
Where is the X-15 | Flight 91 launching from?
The launch takes place from Edwards Air Force Base at Air launch to Suborbital flight.
What orbit is Flight 91 going to?
The Flight 91 mission is targeting Suborbital.
Who is launching Flight 91?
The X-15 | Flight 91 is operated by United States Air Force. It is part of the X-15 program.
Can I watch the X-15 | Flight 91 launch live?
Yes. Visit the launch detail page on Space Launch Live for embedded YouTube webcasts, replay videos, and links to live coverage from SpaceX, NASA, NASASpaceflight, and other channels.
LAUNCH TIMELINE
Mar 28, 2026 20:12 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 28, 2026 20:12 UTC
Launch date set: Aug 22, 1963 at 18:05 UTC
NET (No Earlier Than) confirmed by United States Air Force
Mar 28, 2026 20:12 UTC
Launch completed successfully
Updated via Launch Library 2
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LIVE DATA SOURCES
Last data sync: 5 minutes ago
●Launch Library 25 minutes ago
Launch ID: 6da57141-ac4f-4932-8136-1ed6d507b618
●Spaceflight News API20 minutes ago
4 articles matched
●Open-Meteo Weather23 hours ago
Pad weather at 34.91, -117.88
Mission Profile
Flight 91 was a North American X-15 mission operated by United States Air Force that lifted off from Edwards Air Force Base, Air launch to Suborbital flight on August 22, 1963. The flight carried its payload on a test flight mission to Suborbital. It was flown as part of the X-15 program. The launch was a success.