AFP-827 (Canyon-4)
Launch Failure
Liftoff Time (GMT)
22:33:00
Saturday December 4, 1971
Watch Replay
Official Livestream
Mission Details
Launch Notes
Sustainer shut down due to gas generator failure. RSO destroyed the rocket at T+62 seconds.
AFP-827 (Canyon-4)
Canyon was a series of seven United States spy satellites launched between 1968 and 1977. Also known by its program number AFP-827, the satellites were developed with the participation of the Air Force. The Canyon project is credited as the first American satellite system tasked for COMINT.
Geostationary Transfer Orbit
1 Payload
700 kilograms
Rocket
Launch Site
Stats
Atlas-Agena
102nd
Mission
1st
Mission of 1971
1971
118th
Orbital launch attempt