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Datum:Freitag 11 März 1983
Flugzeugtyp:Silhouette image of generic YS11 model; specific model in this crash may look slightly different
NAMC YS-11A-208
Fluggesellschaft:Nihon Kinkyori Airways
Kennzeichen: JA8693
Werknummer: 2060
Baujahr: 1968
Triebwerk: 2 Rolls-Royce Dart 543-10K
Besatzung:Todesopfer: 0 / Insassen: 5
Fluggäste:Todesopfer: 0 / Insassen: 48
Gesamt:Todesopfer: 0 / Insassen: 53
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:Nakashibetsu Airport (SHB) (   Japan)
Flugphase: Annäherung (APR)
Betriebsart:Inländischer planmäßiger Passagierflug
Flug von:Sapporo-Chitose Airport (CTS/RJCC), Japan
Flug nach:Nakashibetsu Airport (SHB/RJCN), Japan
Flugnummer: 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:

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

Accident investigation:
Investigating agency: AAIC Japan
Status: Investigation completed
Duration: 1 year and 7 months
Accident number: Final report
Download report: Final report
Language: Japanese

» Aircraft and Railway Accidents Investigation Commission (ARAIC) Japan
» Flight International 19 March 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 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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