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Plane crash AN-12B near Surgut. 1971
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Plane crash AN-12B near Surgut. 1971

Plane crash AN-12B near Surgut, Tyumen CAA

  • Date of the crash: 31.01.1971, the
  • The time of the crash: 04: 41
  • Country of the crash: the USSR
  • Place the crash: Tyumen Region, Khanty-Mansi Autonomous, 13,6 km north of Surgut Airport
  • Type of aircraft: An-12B
  • Registration of aircraft: CCCP12996
  • Name of air carrier Aeroflot (USSR)
  • Division: Tyumen CAA, 2-th of Tyumen

Chronology of events: The aircraft crashed into the ground in 13,6 km north of Surgut airport with a huge roll left, collapsed completely burned. Some of the debris found on the bottom of the lake under the ice. Tail poluzatonul upside down in the lake. The crew tried to stall the process to withdraw from the sharp decline to take the helm overload 1,8-1,9. The flight conditions under which began to appear signs of abnormal behavior of the aircraft, the lift coefficient equal 0,96, ie headroom to stall with a clean wing equaled 0,7. Therefore, due to the significant dumping took place umentsheniya bearing properties of the wing as a result of distortions of the profile of the deposition on the nose wing ice.

Data on victims:

  • Total on board were people 7: 6 1 crew members and passengers. Total killed 7 people: crew 6, 1 passengers.
Details of the crash:
  • Phase of flight: the approach
  • Identify the causes of the crash: the shortcomings in the design, weather conditions
Data on the plane:
  • aircraft Brand: An-12B
  • Aircraft ID: CCCP-12996
  • Country where registered aircraft: the USSR
  • Date of manufacture of the aircraft: 31.08.1970
  • Serial number of the aircraft: 00347403
  • Hours aircraft: 391
  • Engines: N 2026158 2036204 H H H 2026171 2026166
Flight data:
  • Tour type: Truck
  • The aviation company Aeroflot (USSR)
  • Division: Tyumen CAA, 2-th of Tyumen
  • The country, which was registered aviation company: USSR
  • Flying from: Tyumen (Roschino)
  • Flying in: Surgut
  • Original item: Tyumen (Roschino)
  • A final point: Surgut

Additional information:

Information about the crew:
  • KBC Konstantin Adamovich 
  • the co-pilot Viktor Ponomarev
  • navigator Nikolai Mikhailovich Evlantev
  • flight engineer Yuri A. Isakov
  • radio operator Anatoly Sergeyevich Andreyev
  • Flight Evgeny V. Trifonov

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