Mission 48
STS-50
1992-034A
Crew: 7 CDR - Richard N. Richards
Plt - Kenneth D. Bowersox
MS 1 - Bonnie J. Dunbar (PLC)
MS 2 - Ellen S. Baker (EV 1)
MS 3 - Carl J. Meade (EV 2)
PS 1 - Lawrence J. DeLucas (EV 2)
PS 2 - Eugene H. Trihn
Launch 25 June 1992 @ 1212:22.961 EDT
Orbital incl: 28.47
Max alt: 304.2 km.
Orbits: 221
Dur: 13:19:30:04
Landing: 9 July 1992 @ 0742:27 EDT
Launch Info: Orbiter - Columbia 102-12 Pad 39A KSC (MLP-3) - Hold time of
5 minutes, 23 seconds to wait for clouds to disperse at T-5 minutes. Landed on runway
33, KSC/SLF. 10th KSC landing. 2nd use of drag chute (first for OV-102). Mission
extended one day due to bad weather at Edwards, finally diverted to KSC for same
reason.

MISSION PARTICULARS
Launch Window: 3 hours, 8 minutes (12:07 - 3:15 pm EDT), limited to 2 hr., 30 min. "Crew on back" constraint
TAL Sites: Banjul, The Gambia
AOA site: Edwards, AFB
Primary landing site: Edwards AFB (Scheduled for 5:14 am PDT, 8 July)
Landing Speed: 209 knots (241 mph)
Landing rollout: 10,674' from main gear touchdown
Vehicle weight @ liftoff: 4,519,680 lbs
Orbiter weight @ liftoff: 257,265 lbs
Orbiter weight @ landing: 228,127 lbs
PAYLOADS
Cargo mass approx.: 24,589 lbs
Landing Weight: Same
Special mission kits: EMU's, teleprinter, TAGS, PSA, Payload Bay Liner, Bicycle Ergometer, MAR, Sleeping Berths, Regenerative CO2 Removal System, Space Station design Foot Restraints, SORG and no RMS. Also - new synthetic rubber tires flown for first time.
PRIMARY PAYLOADS
USML-1 - Mass 22,199 lbs. Long Module, Unit #! 11 primary and 23 secondary experiments
EDO Extended Duration Orbiter Pallet - mass 3,597 lbs
SECONDARY PAYLOADS
Mid-deck IPMP (see STS-31R), SAREX-II (see STS-37, Richards KB5SIW, Baker KB5SIX), UVPI (see STS-43), 2 Sounding rocket barium releases observations.
SHUTTLE STACK COMPONENTS
SSME's: 2019 (1) - 10th use, 2031 (2) & 2011 (3) - both 7th use. At Tower Clear 104%
OMS Pods/Engines: LP-05/115 & RP-05/116 - All first use
ET: ET-50 (LWT-43) with AADS package
SRB's: BI-051 (RSRM-24) - Set successfully recovered
SHUTTLE STACK COMPONENTS
Left - A Right - B
36 ? Fwd ? 37
TEM6 ? Cyl ? 36
36 ? Cyl ? 36
TEM4 ? Cyl ? TEM3
37 ? Cyl ? 37
36 ? Cyl ? TEM2
36 ? Cyl ? New
New ? Att ? 36
New ? Stf ? 37
37 ? Stf ? 37
37 ? Aft ? 37
United States Microgravity Lab-1
MISSION MILESTONES:
27 January 1992 ET-50 arrives ondock KSC
9 February 1992 OV-102 returns to OPF-3 following EDO modifications at Palmdale Blg. 150, via Kelly AFB (1 day hop)
9 April 1992 ET-50/SRB mate in VAB High Bay 3
11 April 1992 Spacelab payload inserted into cargo bay while in the OPF
29 May 1992 OV-102 rollover from OPF-3 to VAB High Bay 3 for stacking the same day
3 June 1992 Stack rollout to Pad 39A
9 June 1992 TCDT countdown dress rehearsal conducted with crew aboard
22 June 1992 "Call to stations" 43 hr countdown started at 8 am EDT & astronaut arrival KSC
25 June 1992 Launch
9 July 1992 Landing at KSC/SLF (No ferry flight). OV-102 returned to OPF-1 the same day
pre-shuttle missions. shuttle era missions.
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