general/helicopters
Surf Wiki
Aerial crane
Type of helicopter used to lift heavy or large loads
Monocopter
Rotorcraft with a single rotating blade
Utility helicopter
General purpose helicopter
Helicopter
Type of rotorcraft
Helicopter landing officer
Responsible person on an offshore facility
Helicopter noise reduction
Reducing the noise caused by helicopters
Captive helicopter
Helicopter tethered to the ground with a rope