Mission 90
STS-90
1998-022A
Crew: 7 CDR - Richard A. Searfoss
Plt - Scott D. Altman
MS 1 - Richard M. Linnehan (PLC & EV 1)
MS 2 - Kathryn P. Hire (IV 1)
MS 3 - David Rhys Williams (EV 2)
PS 1 - Jay C. Buckey
PS 2 - James A. Pawelczyk
Launch 17 April 1998 @ 1419:00 EDT
Orbital incl: 39
Max alt: 278.4 km.
Orbits: 254
Dur: 15:21:21:59
Landing: 3 May 1998 @ 1208:59 EDT
Launch Info: Orbiter - Columbia 102-25 Pad 39B KSC (MLP-2) - A 16 April launch
attempt was scrubbed due to faulty orbiter network signal processor - crew not yet
aboard. Landed on runway 33, KSC/SLF. 43rd KSC landing. Mission extension denied
due to deteriorating forecast at KSC. A Neurolab reflight was considered actively but
dropped to preserve September launch opportunities for STS-88/ISS-1. Alexander W.
Dunlap & Chiaki Mukai were back-ups for Buckey and Pawelczyk.

MISSION PARTICULARS
Launch Window: 2 hours, 30 minutes (2:19 - 4:49 pm EDT)
TAL Sites: Ben Guerir, Morocco (Alternates:
AOA site: Edwards AFB (Alternates: KSC and WS)
Primary landing site: KSC/SLF
Landing Speed: 196 knots (225 mph)
Landing rollout: 9,769' from main gear touchdown (2,796' from threshold)
Vehicle weight @ liftoff: 4,523,770 lbs
Orbiter weight @ liftoff: 262,357 lbs
Orbiter weight @ landing: 231,113 lbs
PAYLOADS
Cargo mass approx.: 26,150 lbs
Landing Weight: Same
Special mission kits: 2 EUM's, SORG, MAR, PSA, MUP, TIPS, 9 Laptops, 6 PLDB Cameras, 5 loaded cryo-tanks, OI-26B Software (1st flight), Magnum Spotlight, Treadmill, OSVS Targets, ECS-II, SAAMDS, RCRS, OARE and no RMS
PRIMARY PAYLOADS
Neurolab Spacelab Flight Unit-2, total mass - 23,783 lbs. 26 expirements.
EDO Extended Duration Orbiter pallet. 11th use.
SECONDARY PAYLOADS
Cargo Bay 3 GAS - G-0197, G-0772, G-0774, & SVF (Shuttle Vibration Forces)
Mid-deck BDS-04
SHUTTLE STACK COMPONENTS
SSME's: 2041* (1) - 4th use, 2032** (2) - 7th use, 2012** (3) - 11th use. 104% at tower clear. * - Block 1A SSME's. ** - Phase II
OMS Pods/Engines: LP-05/115 - Pod & Motor both 14th use & RP-01/101 - Pod 30th use, Motor 18th use
ET: ET-91 (LWT-84)
SRB's: BI-094 (RSRM-65)
SHUTTLE STACK COMPONENTS
For a complete listing, see the Shuttle Rocket Booster page

Neurolab - the final Spacelab
MISSION MILESTONES:
26 August 1997 ET-91 arrives on dock at KSC
11 February 1998 Spacelab payload installed into the orbiter while in the OPF
26 February 1998 ET-91/SRB mate in VAB High Bay-3
16 March 1998 OV-102 rollover from the OPF-3 to the VAB High Bay for stacking overnight
23 March 1998 Stack rollout to Pad 39B, 1st motion at 7:30 am, hard down at 3:20 pm EST
31 March 1998 TCDT countdown dress rehearsal conducted with crew aboard
13 April 1998 "Call to stations" 43 hr countdown started at 2:00 am EDT. Astronaut arrival at KSC
17 April 1998 Launch
3 May 1998 Landing KSC, returning to OPF-3 that same day.
pre-shuttle missions. shuttle era missions.
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