Intelsat 4 F6
Failure
FEB 20197523:35:00 UTCImproper separation of a lanyard during booster jettison reset the missile programmer and caused loss of control. RSO T+403 seconds.
LIFTOFF
FEB 20 197523:35:00 UTC
Failure
launched from LC-36A Canaveral
aboard Atlas Centaur SLV-3D AC-33 into GTO
Payload
Intelsat 4 F6
Comsat