spotter helicopter

spotter-director helicopter

air combat capable helicopter / air-to-air capable helicopter

ambulance helicopter / medical evacuation (MEDEVAC) helicopter

medical evacuation (MEDEVAC) helicopter / ambulance helicopter

forward observer (FO), forward observation officer; (artillery) observer / spotter

gun spotter

gunnery spotter

spotter plane

atom spotter

flash-spotter

spotter-drone

air gun spotter

air gunnery spotter

spotter reconnaissance plane

spotter-tracer round

spotter

artillery spotter

assault helicopter company / troop

assault support helicopter battalion

attack helicopter (atk hel)

attack helicopter troop

cargo helicopter

heavy-lift helicopter

helicopter / (розм.) heli / helo / chopper (H; hel)

helicopter amphibious assault ship

helicopter carrier

helicopter hoist

helicopter landing deck

helicopter operations

helicopter transportable

landing platform (helicopter)

military helicopter