Fly-by-wire controls are commonplace in fixed-wing aircraft, but a rarity in rotorcraft. Cost is usually cited as the reason for not using FBW, despite its performance advantages, but now Kazan Helicopters is removing fly-by-wire from its light twin-turbine Ansat because of safety concerns. A subsidiary of Russian Helicopters, Kazan has unveiled a new version of the Ansat with traditional hydromechanical flight controls replacing the FBW system installed in the basic variant. The ...

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