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Accident description
Last updated: 25 November 2015
Date:Friday 9 September 1988
Type:Tupolev 134A
Operator:Hâng Không Viêtnam
Registration: VN-A102
C/n / msn: 60925
First flight: 1978
Total airframe hrs:4068
Engines: 2 Soloviev D-30
Crew:Fatalities: 3 / Occupants: 6
Passengers:Fatalities: 73 / Occupants: 84
Total:Fatalities: 76 / Occupants: 90
Airplane damage: Damaged beyond repair
Location:6 km (3.8 mls) N of Bangkok-Don Muang International Airport (BKK) (   Thailand)
Phase: Approach (APR)
Nature:International Scheduled Passenger
Departure airport:Hanoi-Noi Bai International Airport (HAN/VVNB), Vietnam
Destination airport:Bangkok-Don Muang International Airport (BKK/VTBD), Thailand
Flightnumber: 831
The aircraft encountered thunderstorms and had descended below minimum altitude while over the Outer Marker. The aircraft then struck the ground and disintegrated over a 500m distance.

Controlled Flight Into Terrain (CFIT) - Ground

» Soviet Transports
» ICAO Adrep Summary 4/92 (#14)


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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 Hanoi-Noi Bai International Airport to Bangkok-Don Muang International Airport as the crow flies is 976 km (610 miles).

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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Tupolev 134

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