Name: Hoffman, Jeffrey Country: USA M/F: M Number of Flights: 5

Space Flights Launch Date - Shuttle Landing Date - Shuttle
1. STS-51D April 12, 1985 - Discovery April 19, 1985 - Discovery
2. STS-35 December 2, 1990 - Columbia December 11, 1990 - Columbia
3. STS-46 July 31, 1992 - Atlantis August 8, 1992 - Atlantis
4. STS-61 December 2, 1993 - Endeavour December 13, 1993 - Endeavour
5. STS-75 February 22, 1996 - Columbia March 9, 1996 - Columbia

Space Flights Descriptions
STS-41F
(Cancelled)
Planned shuttle mission to deploy commercial communications satellites
Cancelled due to launch abort and rollback of space shuttle Discovery
STS-51E
(Cancelled)
Planned Tracking and Data Relay Satellite (TDRS-B) deployment shuttle mission
Cancelled due to timing problem with TDRS-B payload
1. STS-51D Deployed SYNCOM IV-3 (Leasat 3) and Telesat-I (Anik C-1) for TELESAT Canada
Perigee kick motor of SYNCOM IV-3 failed to start and was repaired during the STS-51I mission.
STS-61E
(Cancelled)
Planned ASTRO-1 Mission
Cancelled after the Challenger disaster
2. STS-35 ASTRO-1 Mission
3. STS-46 Deployed ESA's European Retrievable Carrier (EURECA)
Deployed the US/Italian Tethered Satellite System (TSS) 1 - Tether jammed at 840 feet preventing the planned deployment of a tethered satellite at 12.5 miles.
4. STS-61 Hubble Space Telescope Service Mission 1 (HST-SM 1)
5. STS-75 United States Microgravity Payload 3 (USMP-3)
Deployed the US/Italian Tethered Satellite System 1R (TSS-1R) - Tether snapped just short of the full deployment of 12.8 miles.

Spacewalks - 4
Space Flights Date & Duration Purpose
STS-51D April 16, 1985 Perform first unscheduled spacewalk. Install improvised switch-pulling appendages on Remote Manipulator System (robot arm) to activate SYNCOM IV-3 (Leasat 3) satellite's upper stage
5 hours 0 minutes

STS-61 December 4, 1993 Repair Hubble Space Telescope - Prepare worksite. Change gyroscopes, fuse plugs, and electronics control unit
7 hours 54 minutes
STS-61 December 6, 1993 Repair Hubble Space Telescope - Replace Wide Field/Planetary Camera with Wide Field/Planetary Camera 2
6 hours 47 minutes
STS-61 December 8, 1993 Repair Hubble Space Telescope - Replace solar array drive electronics
7 hours 21 minutes

Return to Master List American Astronauts Five Spaceflights
Space Shuttle Program - 1985 / 1990 / 1992 / 1993 / 1996 Spacewalkers

Updated - June 5, 2006