AB212 Austrian Defense Force Knaus Helicopters  AH-1F Royal Jordanian Air Force  AH-1W US Marine Corp  Bell 204B Eagle Copters NASA Langley Research Center North Central Helicopters Rilpa Yellowhead  205B Knaus Helicopter Ventura County  Super 205 California Department of Forestry Kern County Fireback 205A-1 Agrar Flug Campbell Helicopters Kachina Aviation National Research Council of Canada (NRC) Santa Barbara County Fire Summit Heli   212 Air Logistics Agrar Flug Alpine Helicopters Aramco Avialta Campbell Helicopters CHC Helicopters Eagle Copters ERA Aviation Gulf Air Rainier Heli-Lift Sarpa Salt River Project Santa Barbara County Fire Trinity Helicopters Tundra Helicopters Ventura County Vitech Aerospace Weyerhaeuser Wildcatback   412 Air Logistics Aramco Erlanger Medical Center National Research Council of Canada (NRC) MTC Aviacion  PT6 Plus Pratt & Whitneyback UH-1H Australian Defense Force - Fleet California Dept. of Justice Grimm Logging Hawkins and Powers HeliQwest Hi-Line Helicopters Huey 703 Upgrade Program NASA Langley Research Center Minuteman Pan Handle Helicopters Royal Air Force of New Zealand - Fleet San Bernardino County Santa Barbara Royal Jordanian Air Force Royal Thai Army Sacramento County Sheriff Snohomish County Search and Rescue State of Nevada State of New Jersey US State Department, Peru, Bolivia, Columbia, Mexico Washington State Woodstone Corporationback UH-1F McDermott Heli-lift  UH-1N US State Department Columbia US Marine Corp US Navy