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Cake day: June 15th, 2023

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  • Countdown and Flight Test Timeline (from SpaceX Site)

    Countdown All times approximate Hr/Min/Sec Event

    • 01:15:00 SpaceX Flight Director conducts poll and verifies GO for propellant load
    • 00:53:00 Ship LOX (liquid oxygen) load underway
    • 00:51:00 Ship fuel (liquid methane) load underway
    • 00:42:00 Booster LOX load underway
    • 00:41:00 Booster fuel load underway
    • 00:19:40 Raptor begins engine chill on booster and ship
    • 00:03:30 Booster propellant load complete
    • 00:02:50 Ship propellant load complete
    • 00:00:30 SpaceX flight director verifies GO for launch
    • 00:00:10 Flame deflector activation
    • 00:00:03 Raptor ignition sequence begins
    • 00:00:00 Excitement guaranteed

    Flight Test Timeline All times are approximate Hr/Min/Sec Event

    • 00:00:02 Liftoff
    • 00:00:52 Max Q (moment of peak mechanical stress on the rocket)
    • 00:02:42 Booster MECO (most engines cut off)
    • 00:02:44 Hot-staging (Starship Raptor ignition and stage separation)
    • 00:02:55 Booster boostback burn startup
    • 00:03:50 Booster boostback burn shutdown
    • 00:06:36 Booster is transonic
    • 00:06:46 Booster landing burn startup
    • 00:07:04 Booster landing burn shutdown
    • 00:08:35 Starship engine cutoff
    • 00:11:56 Payload door open
    • 00:24:31 Propellant transfer demo
    • 00:28:21 Payload door close
    • 00:40:46 Raptor in-space relight demo
    • 00:49:05 Starship entry
    • 01:02:16 Starship is transonic
    • 01:03:04 Starship is subsonic
    • 01:04:39 An exciting landing!