Mission 23
STS-31/61-B
1985-105A
Crew: 7 CDR - Brewster H. Shaw
Plt - Bryan D. O'Connor
MS 1 - Jerry L. Ross (EV 1)
MS 2 - Mary L. Cleave
MS 3 - Sherwood C. Spring (EV 2)
PS 1 - Charles D. Walker
PS 2 - Rudolfo Neri-Vela
Launch 26 November 1985 @ 1929:00 EST
Orbital incl: 28.47
Max alt: 381.4 km.
Orbits: 108
Dur: 6:21:04:50
Landing: 3 December 1985 @ 1333:49 PST
Launch Info: Orbiter - Atlantis 104-2 Pad 39A KSC (MLP-2) - Second night launch.
Landing on concrete runway 22 at Edwards AFB. Mission cut short one orbit due to
lighting conditions at edwards, switching from lakebed to Runway 22/hard.

MISSION PARTICULARS
Launch Window: 9 minutes (7:29 - 7:38 pm EST)
TAL Sites: Dakar
AOA site: Edwards, AFB
Primary landing site: Edwards AFB, scheduled at 3:23 pm PST 3 December
Landing Speed: 189 knots (217 mph)
Landing rollout: 10,759' from main gear touchdown
Vehicle weight @ liftoff: 4,514,530 lbs
Orbiter weight @ liftoff: 261,610 lbs
Orbiter weight @ landing: 205,732 lbs
PAYLOADS
Cargo mass approx.: 48,041 lbs
Landing Weight: 20,464 lbs
Special mission kits: RMS-301, EMU's 1077, 1070, & 1079 spare, teleprinter, two food warmers, Payload Stowage Assembly and MFR. NOTE: KuBand rendezvous radar removed
PRIMARY PAYLOADS
EASE/ACCESS Esperimental Assembly of Structures in Extravehicular Activity/Assembly Concept for Construction of Erectable Space Structures - mass (inc. MPESS carrier) - 4,423 lbs
HS-376 Morelos-B/PAM-D - 1985-105B Deployed mass - 7,583 lbs, ASE. Morelos-B mass - 1,437 lbs
HS-376 AUSSAT-1B (2)/PAM-D - 1985-105C Deployed mass - 7,634 lbs, ASE. Aussat-1B mass - 1,322 lbs
RCA-Model 4000 Satcom Ku-2/PAM-D2 #1 - 1985-105D Deployed mass - 12,360 lbs, ASE II Cradle. Satcom-Ku-2 mass - 2,251 lbs
OEX Target Satellite - 1985-105E Deployed by S. Spring on EVA-1
EVA ACTIVITY
Construction Techniques for Space Station
EVA-1 - 29 November Duration - 5 hours, 34 minutes
EVA-2 - 1 December Duration - 6 hours, 43 minutes
SECONDARY PAYLOADS
Mid-deck CFES-III (see STS-41D), DMOS (see STS-51A), IMAX Cargo Bay camera for EASE/ACCESS photography, PCG (see STS-51D), Linhof Large Format Camera for African water survey
GAS G-0479
SHUTTLE STACK COMPONENTS
SSME's: 2011 (1) & 2019 (2)- Both 3rd use, 2017 (3) - 5th use. At liftoff 104% same after throttle-up
OMS Pods/Engines: LP-03/107 - 7th use & RP-99/111 - Pod 8th use, motor 3rd use
ET: ET-22 (LWT-15)
SRB's: LO-23/BI-023 - Lightweight set successfully recovered
SHUTTLE STACK COMPONENTS
Left - 23A Right - 23B
12-A 015 Fwd 023 12-B
13-A 024 Cyl 038 12-B
12-A 047 Cyl 042 12-B
12-A L12 Cyl L63 12-B
12-B L56 Cyl L102 New
12-A L53 Cyl L57 12-B
12-A L54 Cyl L58 12-B
12-A L09 Att L10 12-B
12-A L17 Stf L38 New
13-B L21 Stf L12 14-B
12-A 022 Aft 023 12-B
First Orbital Construction Work
MISSION MILESTONES:
4 April 1985 ET-22 arrives on dock KSC
12 October 1985 OV-104 returns to the OPF following Mission-21/51-J
23 October 1985 ET/SRB mate
8 November 1985 OV-104 rollover from OPF-1 to VAB High Bay 3 for stacking same day
12 November 1985 Stack rollout to Pad 39A
13 November 1985 61-B payload insertion at Pad 39A
14 November 1985 TCDT dress rehearsal conducted with crew aboard
23 November 1985 Astronaut arrival KSC
24 Novmeber 1985 "Call to stations" 43 hr countdown started ta 2 pm EST
26 November 1985 Launch
3 December 1985 Landing at Edwards AFB
7 December 1985 Ferry flight from Edwards AFB to Kelly AFB and on to KSC, on day hop
8 December 1985 OV-104 delivered to the OPF
pre-shuttle missions. shuttle era missions.
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