Hie die Timeline für den Start von STS-134 Edeavour, der Vollständigkeit halber mit Beginn des Countdowns (alle Zeiten in MESZ):
Dienstag 26.04.2011
19:30 ......Call to stations
20:00 ......Countdown begins
Mittwoch 27.04.2011
06:00 ......Fuel cell reactant load preps
11:30 ......MEC/SRB power up
12:00 ......Clear crew module
12:00 ......Begin 4-hour built-in hold
12:00 ......Clear blast danger area
12:45 ......Orbiter pyro-initiator controller test
12:56 ......SRB PIC test
13:56 ......Master events controller pre-flight BITE test
16:00 ......Resume countdown
17:30 ......Fuel cell oxygen loading begins
20:00 ......Fuel cell oxygen load complete
20:00 ......Fuel cell hydrogen loading begins
22:30 ......Fuel cell hydrogen loading complete
23:30 ......Pad open; ingress white room
Donnerstag 04/28/11
00:00 ......Begin 8-hour built-in hold
00:00 ......PRSD offload
01:00 ......Crew module clean and vacuum
04:00 ......Remove APU vent covers
05:00 ......SSME throat plug removal
06:30 ......OMBUU demate
08:00 ......Countdown resumes
08:00 ......Main engine preps
08:00 ......MECs 1 and 2 on; avionics system checkout
11:00 ......FRCS Tyvek cover remova/inspect
14:30 ......Deflate RSS dock seals; tile inspection
09:00 ......Tile inspection
15:00 ......TSM prepped for fueling
16:00 ......Begin 13-hour 20-minute hold
17:30 ......RSS rotation preps
17:30 ......OIS communications check with JSC
17:45 ......Crew weather briefing
18:20 ......JSC flight control team on station
19:00 ......L-1 engineering briefing
19:30 ......Comm activation
20:00 ......Crew module voice checks
21:00 ......Flight crew equipment late stow
Freitag 29.04.2011
01:00 ......RSS to park position
02:00 ......Final TPS, debris inspection
02:30 ......Ascent switch list
05:20 ......Resume countdown
05:42 ......Pad clear of non-essential personnel
05:42 ......APU bite test
06:32 ......Fuel cell activation
07:22 ......Booster joint heater activation
07:52 ......MEC pre-flight bite test
08:07 ......Tanking weather update
08:52 ......Final fueling preps; launch area clear
09:22 ......Red crew assembled
10:07 ......Fuel cell integrity checks complete
10:22 ......Begin 2-hour built-in hold (T-minus 6 hours)
10:32 ......Safe-and-arm PIC test
11:10 ......Crew wakeup
11:22 ......External tank ready for loading
11:40 ......Mission management team tanking meeting
12:14 ......NASA TV fueling coverage begins
12:22 ......Resume countdown (T-minus 6 hours)
12:22 ......LO2, LH2 transfer line chilldown
12:32 ......Main propulsion system chill down
12:32 ......LH2 slow fill
13:02 ......LO2 slow fill
13:07 ......Hydrogen ECO sensors go wet
13:12 ......LO2 fast fill
13:22 ......LH2 fast fill
15:17 ......LH2 topping
15:22 ......LH2 replenish
15:22 ......LO2 replenish
15:22 ......Begin 2-hour 30-minute built-in hold (T-minus 3 hours)
15:22 ......Closeout crew to white room
15:22 ......External tank in stable replenish mode
15:25 ......Ascent flight control team on console
15:37 ......Astronaut support personnel comm checks
16:07 ......Pre-ingress switch reconfig
16:14 ......NASA TV launch coverage begins
17:17 ......Final crew weather briefing
17:27 ......Crew suit up begins
17:52 ......Resume countdown (T-minus 3 hours)
17:57 ......Crew departs O&C building
18:27 ......Crew ingress
19:17 ......Astronaut comm checks
19:42 ......Hatch closure
20:12 ......White room closeout
20:32 ......Begin 10-minute built-in hold (T-minus 20m)
20:42 ......NASA test director countdown briefing
20:42 ......Resume countdown (T-minus 20m)
20:43 ......Backup flight computer to OPS 1
20:47 ......KSC area clear to launch
20:53 ......Begin final built-in hold (T-minus 9m)
21:18 ......NTD launch status verification
21:38:52 ...Resume countdown (T-minus 9m)
21:40:22 ...Orbiter access arm retraction
21:42:52 ...Launch window opens
21:42:52 ...Hydraulic power system (APU) start
21:42:57 ...Terminate LO2 replenish
21:43:52 ...Purge sequence 4 hydraulic test
21:43:52 ...IMUs to inertial
21:43:57 ...Aerosurface profile
21:44:22 ...Main engine steering test
21:44:57 ...LO2 tank pressurization
21:45:17 ...Fuel cells to internal reactants
21:45:22 ...Clear caution-and-warning memory
21:45:52 ...Crew closes visors
21:45:55 ...LH2 tank pressurization
21:47:02 ...SRB joint heater deactivation
21:47:21 ...Shuttle GPCs take control of countdown
21:47:31 ...SRB steering test
21:47:45 ...Main engine start (T-6.6 seconds)
21:47:52 ...SRB ignition (LAUNCH)
Da am Freitag auch die Hochzeit von William und Kate von 06:00 (N24) weg übertragen wird, ist das ein ganz schön anstrengender Tag. Was für ein Zufall, dass ich Urlaub habe ...
lg
Werner