heli-skiing
From Longman Dictionary of Contemporary Englishheli-skiinghe‧li-ski‧ing /ˈheliˌskiːɪŋ/ noun [uncountable] the sport of flying a helicopter to a place in the mountains where you can ski on deep snow that no one else has skied onExamples from the Corpusheli-skiing• Skiing adventurers have taken to heli-skiing which involves learning to operate an electronic transmitter in case of avalanches.Origin heli-skiing (1900-2000) helicopter + skiing