helicopter refuelling area

air-to-air refuelling (AAR)

astern refuelling

operational refuelling of forces

refueling / refuelling

refueling probe / refuelling probe

refuelling bowser

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

ambulance helicopter / medical evacuation (MEDEVAC) helicopter

medical evacuation (MEDEVAC) helicopter / ambulance helicopter

potential danger area (trouble area)

hazard area / hazardous area

killing area / kill area

open area danger area

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