Flight testing the Mi-171E

Russian Helicopters (part of Rostec State Corporation) have started flight tests of the Mi-171E multipurpose helicopter with upgraded power unit and rotor system at the Ulan-Ude Aviation Plant thereby enhancing its economic efficiency. Mi-171E helicopter is equipped with a new rotor and X-shaped tail rotor with blades made of polymer composite materials, upgraded swash plate, Russian-made VK-2500PS-03 engine with a FADEC-type digital control system, and with modified stabiliser and keel beam.