Author Topic: SpaceX F9 : SARah 2/3 : VSFB SLC-4E : 24 December 2023 (13:11 UTC) (Read 53267 times)

catdlr · « **Reply #80 on:** 12/24/2023 11:51 am »

T-20 min, The 1st stage LOX (liquid oxygen) loading is continuing and the BIG vent indicating chill down of the 2nd stage fill lines should have been completed

LIVE Video to start at T-15

Again, no updates from SpaceX, so we are going only by the website countdown info.

83-minute window that opens at 5:11 a.m. PST / 8:11 a.m. EST / 1311 UTC.

catdlr · « **Reply #81 on:** 12/24/2023 11:54 am »

T-17 min, Chill down of the 2nd stage fill lines should be near completion

LIVE Video to start at T-15

Again, no updates from SpaceX, so we are going only by the website countdown info.

83-minute window that opens at 5:11 a.m. PST / 8:11 a.m. EST / 1311 UTC.

catdlr · « **Reply #82 on:** 12/24/2023 11:55 am »

T-16 min

COUNTDOWN
HR/MIN/SEC   EVENT
Completed:
00:38:00   SpaceX Launch Director verifies go for propellant load

In Progress:
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

Remaining Events:
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

catdlr · « **Reply #83 on:** 12/24/2023 11:57 am »

T-15 min awaiting for Live Coverage

catdlr · « **Reply #84 on:** 12/24/2023 12:00 pm »

SpaceX's live stream has started.

catdlr · « **Reply #85 on:** 12/24/2023 12:01 pm »

T-10 min

COUNTDOWN
HR/MIN/SEC EVENT
Completed:
00:38:00 SpaceX Launch Director verifies go for propellant load

In Progress:
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
00:07:00 Falcon 9 begins engine chill prior to launch
00:06:00 RP-1 (rocket grade kerosene) loading completed

Remaining Events:
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