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Date:Thursday 12 June 1980
Type:Silhouette image of generic YK40 model; specific model in this crash may look slightly different
Yakovlev Yak-40
Operator:Aeroflot / Tajikistan
Registration: CCCP-87689
MSN: 9910403
First flight: 1969
Engines: 3 Ivchenko AI-25
Crew:Fatalities: 4 / Occupants: 4
Passengers:Fatalities: 25 / Occupants: 25
Total:Fatalities: 29 / Occupants: 29
Aircraft damage: Damaged beyond repair
Location:44 km (27.5 mls) NW of Dushanbe (   Tajikistan)
Phase: Approach (APR)
Nature:Domestic Scheduled Passenger
Departure airport:Leninabad Airport (LBD/UTDL), Tajikistan
Destination airport:Dushanbe Airport (DYU/UTDD), Tajikistan
En route from Leninabad (now Khudzhand) to Dushanbe the crew deviated from their course by 67 km in order to avoid thunderstorm activity. They then reported passing a beacon while they where actually 37 km from that beacon. The air traffic controller cleared the flight to descend from 6000 m to 4800 m. Then the crew has reported passing the outer marker at the prescribed height, while the plane was actually 43 km from the beacon. The controller cleared the flight down to 3600 m. The crew continued their descent and carried out the procedure right turn, following which the flight was cleared down to 2100 m. At height of 2840 m the crew noticed that their position was not correct, stopped descend and initiated a left turn. The Yak-40 entered clouds and struck the slope of a mountain, 44 km NW of the airport.
It appeared that the radio compass did not work properly due to the proximity of the thunderstorm and the wind was different than forecast.

Controlled Flight Into Terrain (CFIT) - Mountain

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This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Leninabad Airport to Dushanbe Airport as the crow flies is 199 km (124 miles).
Accident location: Global; accuracy within tens or hundreds of kilometers.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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Yakovlev Yak-40

  • 1136 built
  • 37th loss
  • 19th fatal accident
  • 4th worst accident (at the time)
  • 12th worst accident (currently)
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  • 2nd worst accident (at the time)
  • 3rd worst accident (currently)
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