| — |
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 |
