— |
07:20:00 |
MST Secure |
— |
05:20:00 |
Launch Mount |
— |
05:00:00 |
Weather Balloon Release |
— |
4:30.00 |
Establish Voice Communication |
— |
04:25:00 |
Roadblocks Up |
— |
04:25:00 |
Clear Blast Danger Area |
— |
04:00:00 |
Weather Balloon Release |
02:30:00 |
04:00:00 |
Countdown Clock Initialization |
HOLDING |
04:00:00 |
Second Stage HE Fill and Pressurization |
60-Minute Hold |
04:00:00 |
Countdown Initiation |
|
04:00:00 |
Countdown Briefing |
|
04:00:00 |
Redundant Inertial Flight Ctrl Assembly Act. |
|
03:55:00 |
Weather Balloon Release |
|
03:22:00 |
Main Data Recorder Activation |
|
03:20:00 |
Prepress Complete |
|
03:20:00 |
SMD Poll |
|
03:20:00 |
NAM Poll |
|
03:17:00 |
NASA Launch Manager Poll |
|
03:13:00 |
LD Poll for Terminal Count |
|
03:11:00 |
LD Polls |
|
03:10:00 |
Pretask Briefing |
|
03:10:00 |
Launch Conductor Poll for Terminal Count |
|
03:05:00 |
Launch Area Clear |
02:30:00 |
03:00:00 |
Countdown Begins |
COUNTING |
03:00:00 |
Launch Area Clear Confirmation |
02:27:00 |
02:57:00 |
RIFCA Activation |
02:26:00 |
02:56:00 |
Core Stage He and N2 Pressurization |
02:20:00 |
02:50:00 |
Second Stage He Pressurization |
02:20:00 |
02:50:00 |
Guidance System activation |
02:10:00 |
02:40:00 |
Core Stage Fueling |
01:45:00 |
02:15:00 |
RP-1 Load Complete |
01:35:00 |
02:05:00 |
Weather Briefing |
01:27:00 |
01:57:00 |
NLM LOX Loading Poll |
01:25:00 |
01:55:00 |
Launch Director LOX Loading Poll |
01:15:00 |
01:45:00 |
LOX Loading begins |
01:15:00 |
01:45:00 |
Blast Danger Area Clear |
01:10:00 |
01:40:00 |
Weather Balloon Release |
01:00:00 |
01:30:00 |
C-Band Transponder Beacon Checks |
00:55:00 |
01:25:00 |
Weather Briefing |
00:45:00 |
01:15:00 |
LOX at 100%; Systems Check |
00:38:00 |
01:08:00 |
LOX Dump to 95% |
00:38:00 |
01:08:00 |
Weather Balloon Release |
00:37:00 |
01:07:00 |
Hydraulics System Activation |
00:34:00 |
01:04:00 |
CDR Open Loop |
00:26:00 |
00:56:00 |
Engine Gimbal Steering Profile Check |
00:17:00 |
00:47:00 |
Link Checks |
00:15:00 |
00:45:00 |
Weather Briefing |
HOLDING |
00:45:00 |
Launch Team Poll |
20-Minute Hold |
00:45:00 |
He and N2 Top Off |
|
00:40:00 |
Weather Balloon Release |
|
00:30:00 |
Ready Report |
|
00:29:00 |
Weather Briefing |
00:15:00 |
00:25:00 |
LOX Top Off to 95% |
COUNTING |
00:25:00 |
Range Safety Radio Command Carrier Act. |
00:14:00 |
00:24:00 |
Range Safety Command Receiver Checks |
00:14:00 |
00:24:00 |
First Stage Fuel Tank Pressurization |
00:12:00 |
00:22:00 |
Wind Assessment |
00:10:00 |
00:20:00 |
Load Relief |
00:07:00 |
00:17:00 |
LOX Top Off to 99% |
00:06:00 |
00:16:00 |
Weather Verification |
00:06:00 |
00:16:00 |
Spacecraft Status Check |
00:05:00 |
00:15:00 |
Launch Enable Switch to ON Position |
00:05:00 |
00:15:00 |
NAM Poll |
00:05:00 |
00:15:00 |
SMD Poll |
00:04:00 |
00:14:00 |
Final Status Polls |
HOLDING |
00:12:00 |
Report Status |
10-Minute Hold |
00:11:00 |
NLM Poll |
|
00:07:00 |
Status Check |
|
0.06:30 |
Spacecraft to Internal Power |
|
00:06:00 |
Launch Director GO/no GO; Range Clear |
|
00:05:00 |
Spacecraft in Launch Configuration |
00:04:00 |
00:04:00 |
Range Safety System armed |
COUNTING |
00:04:00 |
Launcher to internal Power |
00:03:40 |
00:03:40 |
Launch Vehicle Ordnance Arming |
00:03:25 |
00:03:25 |
Solid Rocket Motor Ignition System Arm |
00:03:00 |
00:03:00 |
S/C Manager Status Verification |
00:03:00 |
00:03:00 |
Fuel Tank Press Open |
00:03:00 |
00:03:00 |
Fuel Umbilical Purge |
00:03:00 |
00:03:00 |
Launch Vehicle Heater Deactivation |
00:02:00 |
00:02:00 |
LOX Tank to Flight Pressure |
00:02:00 |
00:02:00 |
Flight Termination System Heater Deactivation |
00:01:40 |
00:01:40 |
LOX to 100% |
00:01:30 |
00:01:30 |
Hydraulic External Power On |
00:01:20 |
00:01:20 |
Range Status Check |
00:01:10 |
00:01:10 |
Hydraulics to Internal Power |
00:01:00 |
00:01:00 |
Launch Enable Switch to Flight |
00:00:45 |
00:00:45 |
Main Power Disable |
00:00:35 |
00:00:35 |
Hydraulics GO for Launch |
00:00:30 |
00:00:30 |
LOX Fill and Drain Valve closed |
00:00:13 |
00:00:13 |
GREEN Board Verification |
00:00:10 |
00:00:10 |
Ignition System armed |
00:00:07 |
00:00:07 |
GO for Main Engine Start |
0.00:02.5 |
0.00:02.5 |
Main Engine Start |
0:00:00.0 |
0:00:00.0 |
Booster Ignition |
0:00:00.0 |
0:00:00.0 |
Liftoff |