| Crew: 5 | CDR - Frederick H. Hauck |
| Plt - David M. Walker | |
| MS 1 - Joseph P. Allen (EV 1) | |
| MS 2 - Anna L. Fisher | |
| MS 3 - Dale A. Gardner (EV 2) | |
| Launch | 8 November 1984 @ 0715:00 EST |
| Orbital incl: | 28.47 |
| Max alt: | 370.1 km. |
| Orbits: | 126 |
| Dur: | 7:23:44:56 |
| Landing: | 8 November 1984 @ 0659:56 EST |
| Launch Window: | 18 minutes (7:15 - 7:23 am EST) |
| TAL Sites: | Dakar, Senegal |
| AOA site: | Edwards, AFB |
| Primary landing site: | SLF/KSC, scheduled at 6:57 am EST |
| Landing Speed: | 186 knots (214 mph) |
| Landing rollout: | 9,461' from main gear touchdown |
| Vehicle weight @ liftoff: | 4,519,901 lbs |
| Orbiter weight @ liftoff: | 263,324 lbs |
| Orbiter weight @ landing: | 207,505 lbs |
| Cargo mass approx.: | 45,306 lbs |
| Landing weight: | 24,853 lbs |
| Special mission kits: | RMS-301, EMU's 1051 & 1052, PLSS 1006 BU, MMU's with FSS, teleprinter, Galley, PSA and other EVA equipment (see EVA) |
| HS-376 Telesat-H (ANIK D2/PAM-D) - 1984-113B | Deployed mass - 7,574 lbs, ASE (Anik-D2 - 1,450 lbs) | |||
| HS-381 Syncom IV-1 (LEASAT-2) - 1984-113C | Deployed mass - 15,190 lbs, ASE (Leasat-2 - 3,054 lbs) | |||
| HS-376 Retrieval Pallets | Mass - 9,709 lbs |
| Palapa-B2, mass - 1,222 lbs | See 41-B/Mission 10 (EVA capture by EV-1/Allen) |
| Westar-6, mass - 1,089 lbs | See 41-B/Mission 10 (EVA capture by EV-2/Gardner) |
| EVA-1 - 12 November, duration 6 hrs., 13 min. | Allen/MMU-3 - MMU-2 | Duration - 2 hours, 22 minutes |
| EVA-2 - 14 November, duration 6 hrs., 1 min. | Gardner/MMU-2 | Duration - 1 hour, 40 minutes |
| Mid-Deck & Payload Bay | RME - QRSP Q007 (see STS-8), RSPE (Remote Sensing PolarizationExperiment - Pair of bore-sighted synchronised cameras for Earth shots, DMOS (Diffusive Mixing of Organic Solids) |
| SSME's: | 2109 (1) - 4th use, 2018 (2) - 3rd use, 2012 (3) - 6th use. At liftoff 100%, to 104% after throttle-up |
| OMS Pods/Engines: | LP-03/107 - 3rd use, RP-03/108 - 2nd use |
| ET: | ET-16 (LWT-09) |
| SRB's: | SRM-14 - Booster set successfully recovered, first use of new larger parachutes |
| Left - 14A | Right - 14B | |||
| G-3 | 003 | Fwd | 025 | New |
| 5-A | 012 | Cyl | 019 | 5-A |
| 5-A | 014 | Cyl | 018 | 5-A |
| New | L68 | Cyl | L73 | New |
| New | L72 | Cyl | L74 | New |
| New | L67 | Cyl | L69 | New |
| New | L70 | Cyl | L71 | New |
| New | L13 | Att | L14 | New |
| New | L23 | Stf | L11 | Q-4 |
| New | L24 | Stf | L12 | New |
| 5-A | 013 | Aft | 025 | New |
| 5 March 1984 | ET-16 arrives on dock KSC |
| 11 September 1984 | OV-103 returns to OPF following Mission 12/41-D |
| 2 October 1984 | ET/SRB stack |
| 18 October 1984 | OV-103 rollover from OPF-2 to VAB High Bay 3 for mating next day |
| 23 October 1984 | STack rollout to Pad 39A |
| 24 October 1984 | 51-A payload insertion at Pad 39A |
| 25 October 1984 | TCDT dress rehearsal conducted with crew aboard orbiter |
| 4 November 1984 | Astronaut arrival at KSC |
| 5 November 1984 | "Call to stations" 43 hr. countdown started at 2 am EST |
| 8 November 1984 | Launch |
| 16 November 1984 | Landing SLF/KSC and delivery to OPF |
| 11 January 1985 | Palapa and Westar are removed from Discovery's payload bay in the OPF |