observation helicopter

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

ambulance helicopter / medical evacuation (MEDEVAC) helicopter

medical evacuation (MEDEVAC) helicopter / ambulance helicopter

artillery observation helicopter

observation point / observation post (OP)

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

shipborne helicopter

transport helicopter (trans hel)

utility helicopter

Sea King helicopter

helicopter refuelling area

load static helicopter

reconnaissance spotting helicopter

light utility helicopter

quadrotor helicopter

internal airlift / helicopter slingable container unit (ISU)

helicopter for anti-submarine warfare

helicopter-launched AT standoff missile