The plane operated by Aeroflot Airline was flying to Moscow to Perm when it crushed. Ex-investigators said they tried to find out why the plane running failed.

• 当飞机坠毁的时候是由苏联民用航空总局操纵的，从莫斯科到彼尔姆。前调查员说他们试图找到飞机失控的原因。