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STS-41 Fact Sheet

Written and Edited by Cliff Lethbridge

 

STS-41 -- Discovery

 

36th Space Shuttle Mission

11th Flight of Discovery

 

Crew:

 

Richard N. Richards, Commander

Robert D. Cabana, Pilot

William M. Shepherd, Mission Specialist

Bruce E. Melnick, Mission Specialist

Thomas D. Akers, Mission Specialist

 

Orbiter Preparations:

 

Tow to Orbiter Processing Facility - May 8, 1990

Rollover to Vehicle Assembly Building - August 27, 1990

Rollout to Launch Pad 39B - September 4, 1990

 

Launch:

 

October 6, 1990 - 7:47:15 a.m. EDT. Launch was delayed about 12 minutes due to a combination of weather concerns during the T-9 minute hold, an 11-second hold at T-5 minutes due to a Ground Launch Sequencer glitch and a 22-second hold at T-31 seconds to correct an orbiter purge, vent and drain (PVD) system glitch.

 

Landing:

 

October 10, 1990 - 6:57:19 a.m. PDT at Runway 22, Edwards Air Force Base, California. Rollout distance was 8,532 feet. Rollout time was 49 seconds. Mission duration was 4 days, 2 hours, 10 minutes, 4 seconds. Landing occurred during the 66th orbit.

 

Mission Summary:

 

The Ulysses, a European Space Agency spacecraft designed to explore the polar regions of the sun, was deployed. For the first time, an Inertial Upper Stage (IUS) booster and a payload-specific Payload Assist Module-S (PAM-S) booster were combined on one spacecraft to send Ulysses toward the sun.

 

Other payloads included the Shuttle Solar Backscatter Ultraviolet (SSBUV) experiment, INTELSAT Solar Array Coupon (ISAC), Chromosome and Plant Cell Division Experiment (CHROMEX), Voice Command System (VCS), Solid Surface Combustion Experiment (SSCE), Investigations into Polymer Membrane Processing (IPMP), Physiological Systems Experiment (PSE), Radiation Monitoring Experiment III (RME III), SSIP and Air Force Maui Optical Site (AMOS) experiments.

 

 

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