Helicopter

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Helicopter

  1. 1. HelicopterTweetFor other uses, see Helicopter (disambiguation).A police department Bell 206 helicopterA AW139SAR rescue helicopterA helicopter is a type of vertical takeoff and landing aircraft cannot perform.The word helicopter is adapted from the French hélicoptère, coined by Gustave de Pontond’Amecourt in 1861, which originates from the [4]Helicopters were developed and built during the first half-century of multicopter have beendeveloped for specialized applications.Contents 1 History 1.1 First flights 1.2 Early development 1.3 Birth of an industry 1.4 Turbine age 2 Uses 3 Design features 3.1 Rotor system 1/2
  2. 2. 3.2 Anti-torque features 3.3 Engines 3.4 Flight controls 4 Flight 5 Safety 5.1 Limitations 5.2 Hazards 5.3 Deadliest crashes 6 World records 7 See also 8 References 9 External links [edit] History The earliest references for vertical flight have come from China. Since around 400 BC,[10] “ 2/2Powered by TCPDF (www.tcpdf.org)

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