Kennedy Space Center, Fla.
Feb. 28, 1995
NASA's Space Shuttle Processing Status Report
STS-67 -- ASTRO-2
LOCATION: Pad 39A
LAUNCH DATE and TIME: March 2 at 1:37 a.m.
LAUNCH WINDOW: 2 hours, 30 minutes
KSC LANDING DATE and TIME: March 17 at 3:09 p.m.
MISSION DURATION: 15 days, 13 hours, 32 minutes
ORBITAL ALTITUDE and INCLINATION: 218 statute miles/28.45 degrees
The countdown for mission STS-67 and the launch of Endeavour Thursday morning continues as planned today. The countdown began Monday at 2 a.m. at the T-43 hour mark.
Personnel were cleared from launch pad 39A last night as operations began to fill the onboard cryogenic tanks and the extended duration orbiter tanks with liquid hydrogen and liquid oxygen reactants. Loading was concluded at about 10 a.m. today. The reactants will provide electricity for the orbiter and crew while in space and drinking water as a by-product during their 15 1/2-day mission.
After the pad is reopened to personnel, the orbiter's mid-body umbilical unit will be demated and retracted into the fixed service structure. Final vehicle and facility close-outs will begin shortly thereafter followed by activation of the orbiter's communications systems and inertial measurement units.
Tomorrow, preparations will be made to retract the rotating service structure to launch position at about 8:30 a.m. Loading of the external tank with cryogenic propellants is scheduled to begin at about 5:17 p.m. Wednesday.
Air Force weather forecasters are currently indicating an 80 percent probability of weather prohibiting launch on Thursday. The primary concerns are for possible showers and low, thick clouds generated by an approaching cold front. The front is expected to pass though the central Florida area later Thursday morning.
During Thursday's 2 1/2 hour launch window, the winds at Pad A are expected to be from the west southwest at 5 knots; temperature 71 degrees F; visibility 7 miles; and clouds broken at 3,500-10,000 feet, 14,000-19,000 feet, and 24,000-29,000 feet. The 24-hour-delay forecast shows great improvement as the front passes through and forecasters list only a 20 percent chance of violation for a launch attempt on Friday.
The seven-member astronaut crew arrived at KSC's Shuttle Landing Facility at about 10:45 p.m. Sunday. Today they will be involved with checking out their mission plans, fit checks of their equipment and flights in the Shuttle Training Aircraft.
NOTE: For additional details regarding STS-67 countdown milestones, please refer to KSC Release No. 18-95.
SUMMARY OF BUILT-IN HOLDS FOR STS-67
T-TIME ------ LENGTH OF HOLD ------ HOLD BEGINS -------- HOLD ENDS
T-27 hours -----4 hours -------------6:00 p.m. Mon.------10:00 p.m. Mon.
T-19 hours -----8 hours -------------6:00 a.m. Tues.------2:00 p.m. Tues.
T-11 hours ----13 hrs.,17 mins. ----10:00 p.m. Tues.-----11:17 a.m. Wed.
T-6 hours -----1 hours -------------4:17 p.m. Wed.-------5:17 p.m. Wed.
T-3 hours -----2 hours -------------8:17 p.m. Wed.------10:17 p.m. Wed.
T-20 minutes --10 minutes ----------12:57 a.m. Thurs.-----1:07 a.m. Thurs.
T-9 minutes --10 minutes -----------1:18 a.m. Thurs.-----1:28 a.m. Thurs.
CREW FOR MISSION STS-67
Commander (CDR): Stephen Oswald (Red Team)
Pilot (PLT): William Gregory (Red Team)
Payload Commander/Mission Specialist (MS3): Tamara Jernigan (Blue Team)
Mission Specialist (MS1): John Grunsfeld (Red Team)
Mission Specialist (MS2): Wendy Lawrence (Blue Team)
Payload Specialist (PS1): Samuel Durrance (Blue Team)
Payload Specialist (PS2): Ronald Parise (Red Team)
SUMMARY OF STS-67 LAUNCH DAY CREW ACTIVITIES
Wednesday, March 1
8:42 p.m. Wake up
9:12 p.m. Dinner/Breakfast and crew photo
9:42 p.m. Weather briefing (CDR, PLT, MS2)
9:42 p.m. Don flight equipment (MS1, MS3, PS1, PS2)
9:52 p.m. Don flight equipment (CDR, PLT, MS2)
10:22 p.m. Depart for launch pad 39A
10:52 p.m. Arrive at white room and begin ingress
Thursday, March 2, 1995
12:07 a.m. Close crew hatch
1:37 a.m. Launch
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