/sci/ - Science & Math

COUNTDOWN
HR/MIN/SEC EVENT
00:38:00 SPACEX LAUNCH DIRECTOR VERIFIES GO FOR PROPELLANT LOAD
00:35:00 RP-1 (ROCKET GRADE KEROSENE) LOADING UNDERWAY
00:35:00 1ST STAGE LOX (LIQUID OXYGEN) LOADING UNDERWAY
00:16:00 2ND STAGE LOX LOADING UNDERWAY
00:07:00 FALCON 9 BEGINS ENGINE CHILL PRIOR TO LAUNCH
00:01:00 COMMAND FLIGHT COMPUTER TO BEGIN FINAL PRELAUNCH CHECKS
00:01:00 PROPELLANT TANK PRESSURIZATION TO FLIGHT PRESSURE BEGINS
00:00:45 SPACEX LAUNCH DIRECTOR VERIFIES GO FOR LAUNCH
00:00:03 ENGINE CONTROLLER COMMANDS ENGINE IGNITION SEQUENCE TO START
00:00:00 FALCON 9 LIFTOFF

LAUNCH, LANDING AND DRAGON DEPLOYMENT
HR/MIN/SEC EVENT
00:01:12 MAX Q (MOMENT OF PEAK MECHANICAL STRESS ON THE ROCKET)
00:02:32 1ST STAGE MAIN ENGINE CUTOFF (MECO)
00:02:36 1ST AND 2ND STAGES SEPARATE
00:02:43 2ND STAGE ENGINE STARTS
00:03:11 FAIRING DEPLOYMENT
00:07:04 1ST STAGE ENTRY BURN COMPLETE
00:08:42 1ST STAGE LANDING
00:08:58 2ND STAGE ENGINE CUTOFF (SECO-1)
00:14:54 STARLINK SATELLITES BEGIN DEPLOYMENT