Mi-28 of Berkuty aerobatics group from 344th Centre for Combat Application and Training of Aircrew crashed today 2nd August 2015 during the Avidarts-2015 competition at Dubrovichi training range in Ryazan region. The second pilot survived, the commander colonel Igor Butenko was killed. According to the Commander-in-Chief of Air Force, the reason was the malfunction of helicopter's hydrosystem caused the failure of control system. May he rest in peace!