On October 22, a Su-30SM of the Russian Knights aerobatic team crashed during a training flight. As a result of the disaster, the deputy head of the aviation equipment display center, lieutenant colonel Oleg Irofeev, and the flight safety inspector, major Vladimir Kuchetov, were killed. Colonel Irofeev was also a distinguished military sniper pilot.

On October 22, a Su-30SM of the Russian Knights aerobatic team crashed during a training flight. As a result of the disaster, the deputy head of the aviation equipment display center, lieutenant colonel Oleg Irofeev, and the flight safety inspector, major Vladimir Kuchetov, were killed. Colonel Irofeev was also a distinguished military sniper pilot.