COUNTDOWN (all times approximate)
Hour/Min/Sec Events
– 00:38:00 SpaceX Launch Director verifies go for propellant load
– 00:35:00 RP-1 (rocket grade kerosene) loading begins
– 00:35:00 1st stage LOX (liquid oxygen) loading begins
– 00:16:00 2nd stage LOX loading begins
– 00:07:58 Dragon transitions to internal power
– 00:07:00 Falcon 9 begins pre-launch engine chill
– 00:01:00 Command flight computer to begin final prelaunch checks
– 00:01:00 Propellant tanks pressurize for flight
– 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 AND DRAGON DEPLOYMENT
Hour/Min/Sec Events
– 00:01:18 Max Q (moment of peak mechanical stress on the rocket)
– 00:02:18 1st stage main engine cutoff (MECO)
– 00:02:22 1st and 2nd stages separate
– 00:02:29 2nd stage engine starts
– 00:02:35 1st stage boostback burn begins
– 00:06:32 1st stage entry burn begins
– 00:08:17 1st stage landing
– 00:08:35 2nd stage engine cutoff (SECO)
– 00:09:35 Dragon separates from 2nd stage
– 00:12:02 Dragon’s solar arrays deploy
– 02:19:00 Dragon’s Guidance, Navigation and Control bay door opens
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