| Crew: 5 | CDR - Michael L. Coats |
| Plt - John E. Blaha | |
| MS 1 - Robert C. Springer (EV 1) | |
| MS 2 - James F. Buchli | |
| MS 3 - James P. Bagian (EV 2) | |
| Launch | 13 March 1989 @ 0957:00.017 EST |
| Orbital incl: | 28.46 |
| Max alt: | 333.1 km. |
| Orbits: | 79 |
| Dur: | 4:23:38:50 |
| Landing: | 18 March 1989 @ 0635:50 PST |
| Launch Window: | 4 hours (8:07 am - 12:07 pm EST) |
| TAL Sites: | Ben Guerir (alternate: Moron, contingency in-plane abort site - Banjul) |
| AOA site: | Edwards AFB, alternates WS and KSC - WS selected due to bad weather at Edwards |
| Primary landing site: | Edwards AFB |
| Landing Speed: | 205 knots (235 mph) |
| Landing rollout: | 9,339' from main gear touchdown |
| Vehicle weight @ liftoff: | 4,536,861 lbs |
| Orbiter weight @ liftoff: | 256,357 lbs |
| Orbiter weight @ landing: | 194,040 lbs |
| Cargo mass approx.: | 47,384 lbs |
| Landing Weight: | 9,681 lbs |
| Special mission kits: | EMU's 1094, 1090, Galley, TAGS, PSA, Teleprinter, payload bay liner, Linhof Camera, no RMS |
| TDRS-D/IUS-#9 - 1989-021B | Deployed mass - 37,546 lbs on IUS cradle (TDRS mass - 4,950 lbs) |
| SHARE | Space Station Heat Pipe Advanced Radiator Element |
| OASIS | See STS-26 |
| Mid-deck | CHROMEX (Chromosome and Plant Cell Division in Space), PCG-III-1 (Protein Crystal Growth-III), IMAX, AMOS (Air Force Maui Optical Site Calibration Test), Art Payload (6" sculpture), SSIP (2 expirements - SE83-9 (see 51-L), SE82-8 (Effects of Weightlessness on the Healing Bone - 4 rats in AEM) |
| SSME's: | 2031 (1) - 1st use, 2022 (2) & 2028 (3) - Both 2nd use. At Tower Clear 104% |
| OMS Pods/Engines: | LP-04/109 - Pod 5th use, Motor 2nd use & RP-03/114 - Pod 9th use, Motor 2nd use |
| ET: | ET-36 (LWT-29) |
| SRB's: | BI-031 (RSRM-3) - Set successfully recovered. SRB nozzle extensions are jettisoned 3 minutes prior to ipact, rahter than 10-12 seconds as with filght 1 thru 26 |
| Left - 31A | Right - 31B | |||
| New | ? | Fwd | ? | D-9 |
| 20 | ? | Cyl | ? | 20 |
| New | ? | Cyl | ? | New |
| 24 | ? | Cyl | ? | ? |
| New | ? | Cyl | ? | New |
| ? | ? | Cyl | ? | ? |
| ? | ? | Cyl | ? | ? |
| FWC | ? | Att | ? | 16 |
| ? | ? | Stf | ? | New |
| ? | ? | Stf | ? | ? |
| New | ? | Aft | ? | ETM-1 |
| 15 January 1986 | ET-36 arrives on dock KSC |
| 8 October 1988 | OV-103 returns to the OPF following Mission-26 |
| 16 December 1988 | ET/SRB mate |
| 23 January 1989 | OV-103 rollover from OPF-1 to VAB High Bay 1 for stacking the following day |
| 3 February 1989 | Stack rollout to Pad 39B |
| 6 February 1989 | TDRS-D installed in orbiter at Pad 39B |
| 7 February 1989 | TCDT dress rehearsal conducted with crew aboard orbiter |
| 10 March 1989 | Astronaut arrival KSC, "Call to stations" 43 hr countdown starts at 12:01 am EST |
| 13 March 1989 | Launch |
| 18 March 1989 | Landing at Edwards AFB |
| 23 March 1989 | First leg of ferry flight from Edwards AFB to Kelly AFB with an overnight stay |
| 24 March 1989 | Final leg of ferry flight from Kelly AFB to KSC and delivery to OPF-1 the following day |