- 01:28:00 SpaceX Launch Director verifies go for propellant load
- 01:25:00 RP-1 (rocket grade kerosene) loading underway
- 00:45:00 LOX (liquid oxygen) loading underway
- 00:07:00 Falcon Heavy begins engine chill prior to launch
- 00:01:00 Flight computer commanded 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
- 00:00:05 Engine controller commands side booster engine ignition sequence to start
- 00:00:03 Engine controller commands center core engine ignition sequence to start
- 00:00:00 Falcon Heavy liftoff