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SP-4206 Stages to Saturn

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AS-509 Prelaunch Operations

Event	Completed
.
LM Operations	30 Oct 70
Combined System Test	4 Dec 70
Unmanned Altitude Run	5 May 70
Manned Altitude Run	18 Sep 70
LM/SLA Mate	22 Oct 70
CSM Operations	3 Nov 70
Combined System Test	4 Dec 70
Unmanned Altitude Run	27 Aug 70
Manned Altitude Run	3 Sep 70
CSM/SLA Mate	31 Oct 70
Ordnance Installation	7 Nov 70
LV VAB Low Bay Operations	12 May 70
IU Low Bay Checkout	12 May 70
S-IVB Low Bay Checkout	12 May 70
S-II Low Bay Checkout	11 May 70
LV VAB High Bay Operations	29 Oct 70
S-IC Erection	14 Jan 70
LV Erection	13 May 70
LV Electrical System Test	6 Oct 70
LV Malfunction Overall Test	21 Oct 70
LV Service Arm Overall Test	29 Oct 70
Spacecraft Erection	4 Nov 70
Space Vehicle VAB Operations	8 Nov 70
Transfer to Pad	9 Nov 70
Pad Operations	31 Jan 70
LV Power ON	11 Nov 70
Space Vehicle Overall Test	7 Dec 70
LV Flight Systems Test	11 Dec 70
SV Flight Electrical Mating	11 Dec 70
SV Back-up Guidance Test	14 Dec 70
SV Flight Readiness Test	15 Dec 70
SV Hypergolic Loading	8 Jan 71
S-IC RP-I Loading	9 Jan 71
CDDT-Wet/Dry	18 Jan 71
SV Countdown Prep	25 Jan 72
Countdown	31 Jan 71

• Typical Prelaunch Sequence (Selected Events from T-9:30:00.0 to Liftoff).
• Typical Critical Event Sequence, First Opportunity TLI (Event Times Are Based on AS-509 Launch Vehicle Operational Trajectory for 31 January 1971 Window, 72.067° Flight Azimuth).

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