STS-51I

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STS-51I
Image:Sts-51I.jpg
Organization NASA-OfficeofSpaceFlight(UnitedStates)
Mission type Human Crew
Launch date August 27, 1985 (1985-08-27)
Launch vehicle Space Shuttle
Carrier rocket {$Carrier Rocket}
Launch site Cape Canaveral, United States
COSPAR ID 1985-076A
Mass {$Mass}
Experiments Here
Alternate Names STS 20,15992
Nominal Power {$Nominal Power}
Additional Information Here
Data Collection Here
Payload Mass Up 19988.0 kg


STS 51-I was the sixth Discovery shuttle flight. On board were Joe Engle, Richard Covey, James Van Hoften, William Fisher, and John Lounge. Deployed during the mission were Aussat-1 (Australia), ASC 1 (American Satellite Corporation), and SYNCOM IV-4 (Hughes Corporation). A repair was made to SYNCOM IV-3 which was launched by STS 51-D in April 1985. SYNCOM IV-4 (also known as LEASAT-4) failed to function after reaching correct geosynchronous orbit. Fisher and van Hoften performed 11 hours, 27 minutes of space walk. Part of the time was spent retrieving, repairing and redeploying LEASAT-3, which was deployed on Mission 51-D. The Middeck Payload consisted of: Physical Vapor Transport Organic Solid Experiment (PVTOS). The mission duration was 170 hours 17 minutes 42 seconds.


Mission patch: Image:Sts-51I-patch.jpg