ASN Aircraft accident de Havilland Canada DHC-6 Twin Otter 300 XY-AEH Mt. Loi Hsam Hsao
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Date:Thursday 8 September 1977
Type:Silhouette image of generic DHC6 model; specific model in this crash may look slightly different
de Havilland Canada DHC-6 Twin Otter 300
Operator:Burma Airways
Registration: XY-AEH
MSN: 540
First flight: 1977-05-06 (4 months)
Engines: 2 Pratt & Whitney Canada PT6A-27
Crew:Fatalities: 3 / Occupants: 3
Passengers:Fatalities: 22 / Occupants: 22
Total:Fatalities: 25 / Occupants: 25
Aircraft damage: Damaged beyond repair
Location:Mt. Loi Hsam Hsao (   Myanmar)
Phase: En route (ENR)
Nature:Domestic Scheduled Passenger
Departure airport:Mong Hsat Airport (MOG/VYMS), Myanmar
Destination airport:Keng Tung Airport (KET/VYKG), Myanmar
The aircraft failed to arrive at its destination. The wreckage was found three days later. The aircraft had struck a mountain.


» New Nation 11 September 1977


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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 Mong Hsat Airport to Keng Tung Airport as the crow flies is 95 km (59 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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DHC-6 Twin Otter

  • 930+ built
  • 45th loss
  • 31st fatal accident
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