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Accident description
Last updated: 25 May 2016
Date:Friday 11 March 1983
Type:NAMC YS-11A-208
Operator:Nihon Kinkyori Airways
Registration: JA8693
C/n / msn: 2060
First flight: 1968
Total airframe hrs:31305
Engines: 2 Rolls-Royce Dart 543-10K
Crew:Fatalities: 0 / Occupants: 5
Passengers:Fatalities: 0 / Occupants: 48
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 100 m 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)

Official accident investigation report
investigating agency: Aircraft Accidents Investigation Commission (AAIC) - Japan
report status: Final
report number: Final report
report released:18 October 1984
duration of investigation: 1 year and 7 months
download report: Final report


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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).

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