Accident description
Last updated: 25 October 2014
Date:Friday 11 March 1983
Type:NAMC YS-11A-208
Operator:Nihon Kinkyori Airways
Registration: JA8693
C/n / msn: 2060
First flight: 1968
Crew:Fatalities: 0 / Occupants: 6
Passengers:Fatalities: 0 / Occupants: 47
Total:Fatalities: 0 / Occupants: 53
Airplane damage: Damaged beyond repair
Location:Nakashibetsu Airport (SHB) (   Japan)
Phase: Approach (APR)
Nature:Domestic Scheduled Passenger
Departure airport:Sapporo-Chitose Airport (CTS/RJCC), Japan
Destination airport:Nakashibetsu Airport (SHB/RJCN), Japan
Flightnumber: 497
The aircraft landed 100m short, when in a 30░ bank turn onto final approach. The YS-11 crashed in 40cm deep snow and broke.

PROBABLE CAUSE: The pilot misjudged altitude and distance in low ceiling and handled the power controls improperly.

» Aircraft and Railway Accidents Investigation Commission (ARAIC) Japan
» Flight International 19.03.1983 (702)


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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 Sapporo-Chitose Airport to Nakashibetsu Airport as the crow flies is 278 km (174 miles).

This information is not presented as the Flight Safety Foundation or the Aviation Safety Networkĺs 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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