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Date:Tuesday 14 October 1986
Type:Silhouette image of generic L410 model; specific model in this crash may look slightly different
Let L-410M
Operator:Aeroflot, Yakutsk Civil Aviation Directorate
Registration: CCCP-67264
MSN: 780905
First flight: 1978
Engines: 2 Walter M-601A
Crew:Fatalities: 2 / Occupants: 2
Passengers:Fatalities: 12 / Occupants: 12
Total:Fatalities: 14 / Occupants: 14
Aircraft damage: Damaged beyond repair
Location:0,3 km (0.2 mls) off Ust-Maya Airport (   Russia)
Phase: Initial climb (ICL)
Nature:Domestic Scheduled Passenger
Departure airport:Ust-Maya Airport (UMS/UEMU), Russia
Destination airport:Allakh-Yun Airport (UEQN), Russia
The Let L-410 was accelerating for takeoff when the no.1 engine automatically shut down just after passing V1. The flight crew feathered the prop but failed to retract the undercarriage. The aircraft was not able to climb out and stalled. It came down in the Aldan river 270 metres from the banks and sank. All 14 on board drowned as they were not able to open the doors.

Probable Cause:

Conclusion: The cause of the crash was the loss of controllability of the aircraft during continued take-off due to the crew’s failure to comply with the climb height requirements at the recommended speed of 170 km/h due to changes in the initial flight path towards obstructions at the moment the left engine was shut down.

Loss of control

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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 Ust-Maya Airport to Allakh-Yun Airport as the crow flies is 212 km (133 miles).
Accident location: Approximate; accuracy within a few 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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Let L-410

  • 1138+ built
  • 17th loss
  • 9th fatal accident
  • 3rd worst accident (at the time)
  • 15th worst accident (currently)
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