As 504 Countdown

T-37 THRU T-22 HOURS

SHEET 4 OF 6

LV COMPUTER MAINTENANCE LM PORTABLE LIFE SUPP SYS CKS

CLEAR NON-ESSENTIAL PERSONNEL FROM 1100 FT RADIUS AROUND SV

CIF ANTENNA CALIBRATION

28 27 26 25 24 23 22

LV COMPUTER MAINTENANCE LM PORTABLE LIFE SUPP SYS CKS

CLEAR NON-ESSENTIAL PERSONNEL FROM 1100 FT RADIUS AROUND SV

CIF ANTENNA CALIBRATION

MAJOR MILESTONES

SEQUENTIAL EVENTS

T-22 THRU T-6

H

I S EVENT

T

-31

15:00 LV POVEft TRANSFER TEST

T

20

00.00 LM SHe TOP OFF

T

-19

30:00 SV EOS TEST

T

-16

00:00 LV DRSCS CHECKS

T

-13

00.00 LV RP-1 REPLENISH

T

II

45:00 CONNECT LV StA

T

09

30:00 CSM RF VOICE CHECKS

T

-08

15:00 LV PROPELLANT LOADING

CSM L02 1 LH2 TANKING

CLEAR COMPUTER MAINT CRE* BEYOND PERIMETER FENCEā–  ' ,

I I I I I I I I I I CSM L02 4 LH 2 PRESSURI UimY//M

official countdown start v j J CONTROL AREa'oPENING^

INSTALL 4 CONNECT LV BATTERY^

CSM CRYO GSE DISCONNECTI Iii I

CSM ECS SUIT SEPARATION SERVICEI

LM STOWAGE 4 CABIN CLOSEOUTI

I I I LM SHe SERVICE PREPSI

GMIL ON STATION CALIBRATION (CCS & CSM S-BAND)I

I I I I I I I I I MCC COMMAND VALIDATION TEST

' ' ATTITUDE COMMAND CKSl

LV RF 4 TM CKS Q-BALL PWR ON

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