| L-34:00:00 |
Tanking Preparations |
| L-08:00:00 |
Final Countdown commences |
| L-08:00:00 |
Launch Vehicle Activation |
| L-07:00:00 |
Soyuz Systems Checks |
| L-06:00:00 |
Battery Installation in Booster |
| L-05:00:00 |
State Commission Meeting |
| L-04:00:00 |
Propellant Loading |
| L-02:00:00 |
Liquid Oxygen loading complete |
| L-01:45:00 |
Tanking Cars depart |
| L-01:45:00 |
Launcher Systems Checks |
| L-01:00:00 |
Guidance System Activation |
| L-01:00:00 |
Launch Pad Evacuation |
| L-00:45:00 |
Flight Computer Software Load |
| L-00:45:00 |
Service Tower Retraction (Service Structure Halves) |
| L-00:30:00 |
Launch Command Power Activation |
| L-00:15:00 |
Launch Pad clear |
| L-00:15:00 |
Service Structure Power System Deactivation |
| L-00:10:00 |
Ten-Minute Launch Readiness |
| L-00:10:00 |
Inertial Guidance System Activation |
| L-00:10:00 |
On-Board Recorders activated |
| L-00:06:00 |
COUNTDOWN AUTO SEQUENCE |
| L-00:05:30 |
Launch Key Inserted in Launch Bunker |
| L-00:05:00 |
RUN 1 Command |
| L-00:05:00 |
Ground & On-Board Telemetry Activation |
| L-00:05:00 |
Transfer to onboard Control |
| L-00:03:15 |
Engine Nitrogen Purge |
| L-00:02:50 |
Propellant Drainback |
| L-00:02:40 |
Spacecraft Power Umbilical Disconnected |
| L-00:02:35 |
Propellant Tank Pressurization |
| L-00:02:30 |
RUN 2 Command |
| 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-00:00:40 |
Third Stage Umbilical Mast Retraction |
| L-00:00:20 |
ENGINE IGNITION (Core Stage and Boosters) |
| L-00:00:20 |
Core Stage Umbilical Mast Retraction |
| L-00:00:15 |
Intermediate Thrust Level |
| L-00:00:10 |
Engine Turbopumps at Flight Speed |
| L-00:00:05 |
Full Thrust Level |
| L-00:00:00 |
Booster Umbilical Tower Retraction |
| L-00:00:00 |
LIFTOFF |
