Russian Helicopters holding company has completed additional tests of the import-substituted Mi-171A3 in extreme cold conditions. The flights took place in Yakutia at temperatures down to -50 degrees, Rostec reported.
Specialists from the Mil and Kamov National Helicopter Engineering Center, together with the Aviation Register of Russia, confirmed the stable operation of all systems. The helicopter also practiced takeoffs and landings on drilling platforms in severe frost conditions.
During the program, the aircraft completed 66 flights and 22 ground runs. As noted by the holding company, the tests expand the permissible operating temperature range.
Russian Helicopters CEO Nikolai Kolesov stated that the Mi-171A3 is designed to operate in all climate zones.
The tests confirmed the reliability and safety of the Mi-171A3 and the possibility of its use, including in the Russian Arctic and the Far East during the winter period.
Earlier, the helicopter was certified in a fully Russian configuration with domestic control, communication, and safety systems. The Mi-171A3 is intended for cargo and passenger transportation, offshore operations, and search-and-rescue missions.
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