Launch time29 Jul 198522:00 UTC
success
Orbit: LEO
Serial number: STS-51-F
Spacelab mission.
Abort to Orbit. Faulty temperature sensor incorrectly indicated that fuel turbine discharge temperature exceeded the limit. Therefore, one main engine was shut down at T+345 s, resulting in a much lower orbit than planned.
All mission objectives achieved.
Space ShuttleChallenger
launched from Kennedy Space Center, LC-39USA