This is what i found in the manual does not look complete to me, I would post the nato ops shutdown procedure but its almost 1am.
9.6. Engine Shutdown
A UTO S TOP ENGINE : [LWIN+End].
1. Throttle Engine idle for two minutes ([PgDown] for min position
throttle).
2. FORCE TRIM switch ON.
3. STARTER GEN switch START [LShift+X].
4. Throttle – Off (engine shutdown in this way is not done yet).
5. Center Pedestal switches Off:
a) FUEL [F] (in this game, the engine stops).
b) Avionics.
6. Overhead switches Off:
DIGITAL COMBAT SIMULATOR UH-1H HUEY
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a) INVTR [LShift+I].
b) PITOT HTR [RAlt+P].
c) LTS: Navigation lights [RCtrl+L], Landing light [RCtrl+,], Search
light [RAlt+;].
d) MISC (switches of miscellaneous Control Panel).
e) INST LTG.
f) BAT [LShift+P].
7. Ignition key lock switch. Remove key