| Mission 6 |
| Crew: 4 | CDR - Paul J. Weitz |
| Plt - Karol J. Bobko | |
| MS 1 - F. Story Musgrave | |
| MS 2 - Donald D. H. Peterson | |
| Launch | 4 April 1983 @ 1330:00.016 EST |
| Orbital incl: | 28.47 |
| Max alt: | 326.7 km. |
| Orbits: | 80 |
| Dur: | 5:00:23:42 |
| Landing: | 9 April 1983 @ 1053:42 PST |
| Launch Window: | 20 min. (1:20 - 1:50 pm EST, on time launch) |
| TAL Sites: | Dakar, Senegal |
| AOA site: | Edwards AFB (prime site White Sands had bad weather) |
| Primary landing site: | Edwards AFB, scheduled at 10:49 am PST 9 April |
| Landing Speed: | 190 knots (218 mph) |
| Landing rollout: | 7,180' from main gear touchdown |
| Vehicle weight @ liftoff: | 4,487,255 lbs |
| Orbiter weight @ liftoff: | 256,744 lbs |
| Orbiter weight @ landing: | 190,330 lbs |
| Cargo mass approx.: | 46,971 lbs |
| Special mission kits: | EMU's 1026 & 1024, food warmers, teleprinter, 1st Head Up Display (HUD), CBSA (Cargo Bay Stowage Assembly - EVA), MADS (Modular Auxillary Data System, 656 lbs), no RMS |
| TDRS-A, 1983-026B (deployed mass 37,546 lbs) on IUS cradle (TDRS - 4,990 lbs). | NOTE: SRM-2 motor failed, stranding TDRS in a 13,574 x 21,970 sm orbit; 58 days of firing onboard thrusters propelled it ot a Geosynchronous Orbit |
| EVA Activity: | Demonstration EVA conducted by Musgrave and Peterson on 7 April. Duration - 4 hrs., 17 min. |
| OEX: | ACIP/HiRAP (High Resolution Accelerometer Package), CFES (see STS-4), MLR (see STS-3), NOSL (see STS-2) |
| GAS: | 1) G-0005 (Crystal Growth of Artificial Snow), 2) G-0049 (USAF Academy), 3) G-0381 (Seeds in Space) |
| SSME's: | 2017 (1), 2015 (2), 2012 (3) - all first use. At liftoff 104% and same after throttle-up |
| OMS Pods/Engines: | LP-99/106 & RP-99/105 - all first use |
| ET: | ET-08 (LWT-01) - First light weight tank, saves 6,000 lbs |
| SRB's: | SRM-06 - Booster set successfully recovered |
| Left - 6A | Right - 6B | |||
| New | 013 | Fwd | 014 | New |
| 1-A | 046 | Cyl | 075 | 1-B |
| 1-A | 061 | Cyl | 076 | 1-B |
| New | L03 | Cyl | L07 | New |
| New | L04 | Cyl | L08 | New |
| New | L05 | Cyl | L09 | New |
| New | L06 | Cyl | L10 | New |
| New | L01 | Att | L02 | New |
| New | L01 | Stf | L03 | New |
| New | L02 | Stf | L04 | New |
| G-3 | 005 | Aft | L14 | New |
| 30 June 1982 | OV-099 rollout ceremony at Rockwell Plant, Palmdale, CA |
| 1 July 1982 | OV-099 transported overland to Edwards AFB from Palmdale |
| 4 July 1982 | Ferry flight from Edwards AFB to KSC with an overnight stop at Ellington AFB |
| 5 July 1982 | OV-099 arrives KSC and the new OPF-2 |
| 15 September 1982 | ET-08 arrives on dock KSC |
| 21 October 1982 | ET/SRB mate |
| 23 November 1982 | OV-099 rollover from OPF-2 to VAB High Bay 3 for mating with stack that same day |
| 30 November 1982 | Rollout of stack to Pad 39A |
| 18 December 1982 | First FRF (lasting 20 sec at 11 am) conducted at 100% on OV-099 stack |
| 11 January 1983 | TCDT dress rehearsal conducted with crew onboard orbiter |
| 25 January 1983 | Second FRF (lasting 23 sec) conducted at 100% to investigate leaks found after FRF-1, confirmation of leak found in engine 2011 required replacement by 2016, itself found with leaks is replaced by 2017 |
| 5 February 1983 | TDRS-A installed in cargo bay at Pad 39A |
| 30 March 1983 | "Call to stations" 93 hr. countdown started at 2 pm EST |
| 2 April 1983 | Astronaut arrival at KSC |
| 4 April 1983 | Launch |
| 9 April 1983 | Landing at Edwards AFB |
| 14 April 1983 | Ferry flight from Edwards AFB to Kelly AFB, TX for two night stopover |
| 16 April 1983 | Final leg of ferry flight ot KSC, delivered to the OPF the next day |