Skylark Vortech Shadow Vortech Sparrow W Wagner Wagner Aerocar Westland Helicopters Westland Apache Westland Dragonfly Westland Gazelle Westland Lynx Westland Sea King Westland Scout Westland Wasp Westland Wessex Westland Westminster Westland Whirlwind Westland Widgeon Windspire Inc. Windspire Aeros Winner SBS Winner B150 Wombat Gyrocopters Wombat Gyrocopters Wombat Y Yakovlev Yakovlev EG Yakovlev Yak-24 Yakovlev Yak-60 Yakovlev Yak-100 Yakovlev VVP-6 Youngcopter Youngcopter Neo Notes US Army helicopters designations: AH: Attack Helicopter CH: Cargo Helicopter OH: Observation Helicopter RAH: Reconnaissance and Attack Helicopter UH: Utility Helicopter Project acronyms AAH: Advanced Attack Helicopter See also List of helicopter airlines List of tilt-rotor craft List of United States military helicopters List of utility helicopters References External links Lists of aircraft by design configuration