Sounds pretty basic to me. Disappointing.
I lack several factors, such as:
individual guns
coolant leaks
radio
oxygen
supercharger
cylinder(s)
gunsight
control panel
throttle/mixture lever
Dunno how official your list is Glars, but it seems to indicate an incremental hitmap damage model rather than one which computes bullet trajectory through the aircraft.
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-bmbm-, XO 56th FG