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Countdown Clock | Current Status Report | Shuttle Liftoff Status |
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| Online
coverage will begin at 3:45
a.m. on Thursday, April 19, 2001 as we enter the T- 06 hour hold.
*
The Launch Director for STS-100 is Mr. Michael Leinbach * |
| The Countdown
Clock is one of the most watched timepieces in the world, and this
Live Countdown Coverage page is the only place online to get up-to-the-minute
information during a countdown. During the last 9/10 hours prior to scheduled
liftoff, you can follow the exact chronology of each and every major event
leading up to the successful countdown and liftoff of the Space Shuttle.
Note: To follow along with the launch countdown, monitor the T-Time links in the left column below as they are activated. The event beginning and conclusion times shown below are projected timelines and subject to change at any time during actual launch countdown. Note: Find out who's visiting today's launch! Several well known personalities and dignitaries travel to Florida to watch shuttle launches, some because they have a vested interest in the mission, and others to participate in the excitement of a breath-taking and memorable experience. To review recent events that occurred earlier than the T-6 hour hold, go to the Previous Countdown Events Summary. Check the video column below - when a video event is available for viewing, a Real Media movie camera icon will appear. Follow the icon to your choice of a low bandwidth (28.8K), medium bandwidth (56K), or high bandwidth (cable/broadband) downloadable version.
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"T"
stands for scheduled liftoff time, "-"
stands for minus, "H"
stands for hours, |
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Shuttle Reference Manual Disclaimer Throughout this web site you will find several links to excerpts from the 1988 NSTS Shuttle Reference Manual. This manual has not been updated since it was originally published and contains some information that is now outdated. None of the thousands of Shuttle upgrades since that time -- like the Shuttle's new glass cockpit -- or organizational and managerial changes since then, are included. Even so, it is still -- by far -- the most comprehensive resource about the Space Shuttle program available online today.
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Projected Countdown Timelines |
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| T-Time | Video | Length of Event | Event Begins | Event Concludes |
|---|---|---|---|---|
| T-43H00M start the clock |
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16 hours | Monday,
4/16/01 6:00 p.m. |
Tuesday,
4/17/01 10:00 a.m. |
| T-27H00M and holding |
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4 hours | Tuesday,
4/17/01 10:00 a.m. |
Tuesday,
4/17/01 2:00 p.m. |
| T-27H00M and counting |
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8 hours | Tuesday,
4/17/01 2:00 p.m. |
Tuesday,
4/17/01 10:00 p.m. |
| T-19H00M and holding |
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4 hours | Tuesday,
4/17/01 10:00 p.m. |
Wednesday,
4/18/01 2:00 a.m. |
| T-19H00M and counting |
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8 hours | Wednesday,
4/18/01 2:00 a.m. |
Wednesday,
4/18/01 10:00 a.m. |
| T-11H00M and holding |
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12 hours 45 minutes | Wednesday,
4/18/01 10:00 a.m. |
Wednesday,
4/18/01 10:45 p.m. |
| T-11H00M and counting |
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5 hours | Wednesday,
4/18/01 10:45 p.m. |
Thursday,
4/19/01 3:45 a.m. |
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2 hours |
Thursday,
4/19/01 3:45 a.m. |
Thursday,
4/19/01 5:45 a.m. |
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| T-06H00M and counting |
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3 hours | Thursday,
4/19/01 5:45 a.m. |
Thursday,
4/19/01 8:45 a.m. |
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2 hours |
8:45 a.m. | 10:45 a.m. | |
| T-03H00M and counting |
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2 hours 40 minutes | 10:45 a.m | 1:25 p.m. |
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10 minutes |
1:25 p.m. | 1:35 p.m. | |
| T-20M00S and counting |
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11 minutes | 1:35 p.m. | 1:46 p.m. |
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45 minutes (approx) |
1:46 p.m. | 2:32 p.m. | |
| T-09M00S and counting |
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9 minutes | 2:32 p.m. | 2:41 p.m. |
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T-0 Liftoff!!!! |
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STS-100
launched at 2:40:42
p.m. EDT cool, windy afternoon from Kennedy Space Center, Florida
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| Post Launch | |
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Total
Regular Clock Time = |
43
Hours of Scheduled Countdown Time |
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| Page Last Revised | Page & Curator Information |
|
08/06/2001 |
Online coverage by: Dennis
Armstrong (NASA), Anna Heiney (IDI) |