More simply:
53 Fire Extinguisher (left / right engine): on - off
54 RPM Switch: high - low - dive
55 Fuel Switch (in case of fire): open - closed
edit: 53 and 55 are mostly used together in case of engine fire: first you cut off the fuel (55) and wait until the engine stops, then you use 53 to extinguish the engine fire
Last edited by sniperton; 11-15-2016 at 05:12 PM.
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