[kQq9oHeAz6wLLS]

Actually, I'd say the most vulnerable part for a strike in a single engine craft is the engine, which sits ahead of the cabin. At low altitudes there's precious little time to correct for any sort of engine failure.

[sio8ohPi]

The P-63 has the engine behind the pilot.

[someweirdperson]

There's zero time to fix a dead pilot in a plane with only one seat.