ADJ. air force, military, police | civilian, private | rescue | model
VERB + HELICOPTER fly He flew helicopters during the Gulf War.
HELICOPTER + VERB fly | hover The helicopter hovered above the air strip. | take off | land | crash | carry sb a helicopter carrying troops
HELICOPTER + NOUN flight | pad | pilot | gunship
PREP. by ~ The victims were flown to hospital by helicopter. | in a/the ~ There were three people in the helicopter when it crashed.