| L-08:00:00 |
Soyuz Systems Checks |
| L-06:00:00 |
Battery Installation in Booster |
| L-04:20:00 |
Sate Commission Meeting |
| L-04:00:00 |
Propellant Loading |
| L-01:45:00 |
Tanking Complete — LOX Replenish |
| L-01:45:00 |
Launcher Systems Checks |
| L-01:00:00 |
Guidance System Activation |
| L-01:00:00 |
Mobile Service Structure Retraction |
| L-00:45:00 |
Flight Computer Software Load |
| L-00:30:00 |
Launch Command Power Activation |
| L-00:10:00 |
Inertial Guidance System Activation |
| L-00:10:00 |
On-Board Recorders activated |
| L-00:08:00 |
Payload to Internal Power |
| L-00:06:00 |
COUNTDOWN AUTO SEQUENCE |
| L-00:05:00 |
Ground & On-Board Telemetry Activation |
| L-00:05:00 |
Transfer to onboard Control |
| L-00:05:00 |
Launch Key Inserted |
| L-00:03:15 |
Engine Nitrogen Purge |
| L-00:02:40 |
Umbilical mast power disconnected to 3rd stage |
| L-00:02:35 |
Propellant Tank Pressurization |
| L-00:02:30 |
Onboard Measurement System Activation |
| L-00:02:15 |
Propellant Tank Drain&Safety Valves closed |
| L-00:02:15 |
LOX and N2 Loading Termination |
| L-00:01:00 |
Transfer to Internal Power |
| L-00:01:00 |
AUTO SEQUENCER ENABLED |
| L-00:01:00 |
First Umbilical Tower Separates from Booster |
| L-00:00:40 |
Power Umbilical to third Stage disconnected |
| L-00:00:20 |
ENGINE IGNITION (Core Stage and Boosters) |
| L-00:00:15 |
Intermediate Thrust Level |
| L-00:00:15 |
Second umbilical Tower separated from Booster |
| L-00:00:10 |
Engine Turbopumps at Flight Speed |
| L-00:00:05 |
Full Thrust Level |
| L-00:00:00 |
Fueling Tower Retracts |
| L-00:00:00 |
LIFTOFF |
