open editor, place player (man)
place all helicopters you like (empty or not). Do not forget the hellcat for test.
run preview
in debug console write:
0=[]spawn{while {true} do {hintSilent format ["ammo: %1, mags: %2", someammo cursorTarget, magazines cursorTarget];sleep 0.2}}
exec and aim (cursortarget) each helicopter. No ammo/magazines for H55!