1971 January 22 Surgut Aeroflot Antonov An-12 crash

1971 January 22 Surgut Aeroflot Antonov An-12 crash
	An Aeroflot Antonov An-12, similar to the aircraft involved in the accident
Accident
Date	22 January 1971
Summary	Icing due to bleed air valves being closed
Site	Surgut, RSFSR, Soviet Union
Aircraft
Aircraft type	Antonov An-12B
Operator	Aeroflot, Komi Civil Aviation Directorate
Registration	CCCP-11000
Flight origin	Omsk Tsentralny Airport (OMS/UNOO)
Destination	Surgut International Airport (SGC/USRR)
Passengers	2
Crew	12
Fatalities	14
Survivors	0

The 1971 January 22 Surgut Aeroflot Antonov An-12 crash occurred on 22 January 1971, when an Aeroflot Antonov An-12B, registered CCCP-11000, flying from Omsk Tsentralny Airport, in the Soviet Union's Russian Soviet Federated Socialist Republic (RSFSR), crashed 15 km (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][2]

References

"Accident description". Aviation Safety Network. Retrieved 1 January 2011.
Катастрофа Ан-12Б Коми УГА близ Сургута (in Russian). airdisaster.ru. Archived from the original on 2013-05-25. Retrieved 2014-08-28.

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[ASN-1] "Accident description". Aviation Safety Network. Retrieved 1 January 2011.

[2] Катастрофа Ан-12Б Коми УГА близ Сургута (in Russian). airdisaster.ru. Archived from the original on 2013-05-25. Retrieved 2014-08-28.

Aviation accidents and incidents in the Soviet Union and Russia
1950s	1950 Sverdlovsk plane crash Aeroflot Flight 4 1958 Aeroflot Tu-104 Kanash crash Aeroflot Flight 315 (1959) Aeroflot Flight 120
1960s	Aeroflot Flight 315 (1960) Aeroflot Flight 207 Austrian Airlines Flight 901 Aeroflot Flight 68 Aeroflot Flight 245 Aeroflot Flight 902 Aeroflot Flight 415 Aeroflot Flight 191 Aeroflot Flight 3 Aeroflot Flight 25 Aeroflot Flight 12 CCCP-45021 Aeroflot Flight 663 Aeroflot Flight 721 Aeroflot Flight 20 Aeroflot Flight 513 Aeroflot Flight 99 Aeroflot Flight 65 Aeroflot Flight 2723 Aeroflot Flight 5003 (1967) Aeroflot Flight 2230 Aeroflot Flight 51 Aeroflot Flight 15 Aeroflot Flight 831 Aeroflot Flight 826 1969 Yukhnov mid-air collision
1970s	Aeroflot Flight U-45 Aeroflot Flight 1661 CCCP-11000 CCCP-12996 Aeroflot Flight 1969 Aeroflot Flight 1912 Malév Flight 110 Aeroflot Flight 773 Aeroflot Flight 2174 Aeroflot Flight 1491 Aeroflot Flight 558 Aeroflot Flight 1036 Aeroflot Flight 217 Japan Airlines Flight 446 Aeroflot Flight 6263 Aeroflot Flight 141 Aeroflot Flight 630 Balkan Bulgarian Airlines Flight 307 Aeroflot Flight 6551 Aeroflot Flight 109 Aeroflot Flight 13 Aeroflot Flight 3932 Aeroflot Flight 964 Aeroflot Flight 19 Aeroflot Flight 2022 CCCP-75559 1974 Surgut mid-air collision Aeroflot Flight 2003 Aeroflot Flight 3739 (1976) Aeroflot Flight 909 Aeroflot Flight 1802 Aeroflot Flight 418 1976 Anapa mid-air collision Aeroflot Flight 2415 Aeroflot Flight 36 (1976) Aeroflot Flight 3843 Aeroflot Flight 5003 (1977) Aeroflot Flight 331 CCCP-65639 Aeroflot Flight 2 Aeroflot Flight 6709 Korean Air Lines Flight 902 Aeroflot Flight 1080 Aeroflot Flight 1691 1979 Dniprodzerzhynsk mid-air collision Aeroflot Flight 5484
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2000s	Vladivostok Air Flight 352 (2001) Siberia Airlines Flight 1812 (2001) Pulkovo Aviation Enterprise Flight 9560 (2002) 2004 Russian aircraft bombings (2004) Armavia Flight 967 (2006) S7 Airlines Flight 778 (2006) Aeroflot Flight 821 (2008)
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2020s	Volga-Dnepr Airlines Flight 4066 (2020)