This was reported to Interfax by an informed source.
According to REN TV, during the flight, the sensors signaled vibration in the engine of the aircraft. No one was injured during landing.
According to Izvestia, the military helicopter belongs to the National Helicopter Center named after Myil and Kamov and made a test flight.
As reported on May 26, in Chukotka, at the Anadyr airport, four crew members were killed during a hard landing of the Mi-8 helicopter. The cause of the crash, according to preliminary information from the regional government, could be technical malfunctions during the test after maintenance. The helicopter fell from a height of 15 meters.