Report of the PRESIDENTIAL COMMISSION
on the Space Shuttle Challenger Accident
Volume 4 Index
Hearings of the Presidential
Commission on the Space Shuttle Challenger Accident: February 6, 1986
to February 25, 1986
FEBRUARY 6, 1986 SESSION [part 2 of
2]
[152] [Ref. 2/6-112]
LAUNCH PAD 39A AND 39B
- DESCRIPTION
- BOTH PADS ARE OCTAGONAL IN SHAPE AND
CONTAIN ABOUT 1/4 SQUARE MILE LAND.
- EACH PAD CONTAINS SIX PEDESTALS TO
SUPPORT THE MOBILE LAUNCHER PLATORM (MLP), FUEL AND OXIDIZER
SUPPORT AREAS, FIXED SERVICE STRUCTURE (FSS) AND A ROTATING
SERVICE STRUCTURE (RSS).
- OPERATIONS
- PAYLOAD TRANSFER FROM P/L CANNISTER TO
PAYLOAD CHANGE OUT ROOM (PCR).
- SHUTTLE/PAD SYSTEM VALIDATION.
- PAYLOAD TRANSFER FROM PCR TO ORBITER
USING PAYLOAD GROUND HANDLING MECHANISM (PGHM).
- PAYLOAD/ORBITER INTERFACE
TESTING.
- SHUTTLE HAZARDOUS SERVICING INCLUDING
HYPERGOLIC FUEL AND CRYOGENIC FUEL AND OXIDIZERS.
- COUNTDOWN PREPS AND COUNTDOWN
OPERATIONS FOR LAUNCH.
- PAD REFURBISH AFTER LAUNCH.
[Ref. 2/6-113]
[NOT REPRODUCIBLE]
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