Template:Prelaunch checklist

Procedural steps in this section are presented in tabular form and in sequence they occure during the mission. The following is a detailed explanation of the columnar data presented in the tabulated lists:

Apollo 15 launch checklistA15_LAUNCH_CHECK

Time	This column contains the mission time the procedure is to be done. Sometimes there's no fixed time when to do a procedure, in that case the time is left out.
Procedure	The procedure is a group of steps or overall tasks involved in performing a complete function or operation. It often consists of controls the astronauts have to toggle or display readings that have to be checked. You can use the panel reference if you need more informations about a certain display or control. Also the following abbreviations are used: lt - light sw - switch sel - rotary type switch cb - circuit braker tb - talkback indicator bp - "barber pole" (striped line indication of a talkback indicator) vlv - valve ind - indicator pb - pushbutton cont - potentiometer or rheostat tw - thumbwheel Additionally to use the DSKY the following abbreviations are used: V is short for VERB, N is short for NOUN, and E is short for ENTR.
Panel	The panel number of a particular switch or display for easier panel navigation.
Remarks	Any useful comment. Please notice especially differences to the original function, bugs or other issues.

Spacecraft systems activation

In Project Apollo - NASSP the Saturn prelaunch checklist starts at 3 hours before launch with the backup crew in the spacecraft. At first some of the spacecraft's systems have to be activated.

Time	Procedure	Panel	Remarks
-03:00:00	C/W system activation     C/W POWER - 1 (up)   MASTER ALARM pb/lt (3) - on,   push	2	The suit compressor alarm is normal.
	CMC power up   cb G/N COMPUTER MNA - close cb G/N COMPUTER MNB - close	5	Activation of the command module computer.

{{ #if: |

V37E 00E   P00   If prog alarm, check if alarm code 1520 "V37 request not permitted at this time" by V05N09E, then RSET and retry V37E 00E   V35E   F 88 88 V37E 00E   V16 N65E   16 65 V37E 00E

2

Run program P00 This can happen every V37 request. Light test Shows time since power-up, check time synchronization with Orbiter.

|

Wait until DSKY light test complete   STBY lt - on PRO   STBY lt - out Key N00E   P00   NO ATT lt - on Key V34E Key V16 N33E

2

Light test isn't historically correct. Run program 0, the AGC idling program. IMU is not turned on. Show launch countdown (not historically correct).

}}

IMU power up   cb G/N IMU HTR MNA - close cb G/N IMU HTR MNB - close cb G/N IMU MNA - close cb G/N IMU MNB - close     {{ #if: |NO ATT lt - on (90 sec) |NO ATT lt - off }}   {{ #if: |NO ATT lt - off | }}

5         2

Activation of the inertial measurement unit.

Backup crew prelaunch checks

C&WS status check

With the first procedure the caution and warning system is checkedAOH2.

Test

{{ #if: |Virtual AGC |NASSP AGC }}

Test End

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1. References

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