Static view of STS-75
Columbia after landing on Runway 33.
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Shuttle Liftoff Home Page
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Shuttle Columbia Launch Status
- Launch February 22, 1996 3:18:00.061 pm EST. Launch window was 2 hours 30 min. Landed on March 9, 1996 at 8:58:21 am EST on KSC Runway 33.
- About four seconds after liftoff, Shuttle Commander Andy Allen
reported that his instruments showed that one of the shuttle main
engines was operating at only 45% of its normal power level. Flight
controllers in Houston quickly responded that all engines were
performing nominally. The engines throttled as expected about 1
minute into the launch, and operated normally all the way to main
engine cutoff at 8 and a half minutes into the flight. Engineers will
look at data from the launch to try to understand the faulty reading.
(Reference STS-75 MCC Status Report # 01)
- On Tuesday, 2/20/96, the mission management team met briefly to
discuss an incident that occurred overnight at Pad 39B. At about 1
a.m., a neutralizing agent, believed to be sodium hydroxide was
spilled over the left-hand solid rocket booster and the left side of
the external tank. This non-toxic liquid is used to neutralize any
potential hazardous vapors that may be present during normal
operations to remove covers off the reaction control system thrusters
on Columbia. The incident has not seriously delayed the launch
countdown. However, engineering evaluations are in work to determine
if any concerns exist for the liquid contacting the flight hardware.
(Reference KSC Shuttle Status 2/21/1996).
- The countdown started at 4pm EST at the T-minus 43 hour mark on
Monday, 2/19/96 and the payload bay doors were closed. The STS-75
crew arrived at the Shuttle Landing Facility at 3:30pm EST.
(Reference KSC Shuttle Status 2/20/1996).
- On Tuesday, 2/13/96, a faulty wire to one of the pyrotechnic devices
at the 17-inch disconnect located between the orbiter and external
tank was replaced and tested successfully. Also, problems with the
crew hatch were resolved and final testing was successful.
(Reference KSC Shuttle Status 2/13/1996).
- On Friday, 2/9/96, Hypergolic loading operations took place and the
Flight Readiness Review (FRR) was conducted. The countdown is scheduled
to begin on February 19. (Reference KSC Shuttle Status 2/09/1996).
STS-75 Movies and Images
The image on this page from a NTSC video capture that is updated
every minute from the T-5 hour mark of the countdown till launch. At
all other times, the view is either connected to the NASA TV (NTV) feed (Click here for Video Advisories) or it is a static video capture of an Orbiter
Television (OTV) camera that is updated a few times a day. If you have
a WWW browser that caches images, you may have to select "Reload
Images" periodically to see these images change. You may also want to
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Feed by loading CU-SeeMe software
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