1971 Surgut Aeroflot Antonov An-12 crash

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1971 Surgut Aeroflot Antonov An-12 crash
An Aeroflot Antonov An-12, similar to the aircraft involved in the accident
Accident summary
Date 22 January 1971
Summary Icing due to bleed air valves being closed
Site Surgut, RSFSR, Soviet Union
Passengers 1<
Crew 12
Fatalities 13 (all)
Survivors 0
Aircraft type Antonov An-12B
Operator Aeroflot
Registration CCCP-11000
Flight origin Tsentralny Airport
Destination Surgut International Airport

The 1971 Surgut Aeroflot Antonov An-12 crash occurred on 22 January 1971, when an Aeroflot Antonov An-12B, registered CCCP-11000, flying from Tsentralny Airport, Omsk, in the Soviet Union's Russian Soviet Federated Socialist Republic (RSFSR), crashed 15km (9.3 mi) short of the runway on approach to Surgut International Airport, Surgut, RSFSR. An investigation found the aircraft's ice protection system was ineffective because the engine bleed air valves were closed during the flight; ice therefore built up on the aircraft causing it to go out of control.[1]


  1. ^ "Accident description". Aviation Safety Network. Retrieved 1 January 2011.