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Accident description
Last updated: 22 October 2017
Status:
Date:Thursday 23 April 1959
Type:Avro 688 Super Trader
Operator:Air Charter
Registration: G-AGRH
C/n / msn: 1256
First flight:
Crew:Fatalities: 12 / Occupants: 12
Passengers:Fatalities: 0 / Occupants: 0
Total:Fatalities: 12 / Occupants: 12
Airplane damage: Damaged beyond repair
Location:Mount Süphan (   Turkey)
Phase: En route (ENR)
Nature:Cargo
Departure airport:Ankara (unknown airport), Turkey
Destination airport:Bahrain International Airport (BAH/OBBI), Bahrain
Narrative:
The Super Trader departed Ankara for a flight to Bahrain. At 08:14 the aircraft passed Gemerek at FL115 and Elazig at 08:59 (at FL135). Last position report received was when over Mus at 09:26. The aircraft had crashed and was found after six days on Suphan Mountain.

Probable Cause:

PROBABLE CAUSE: "The aircraft, flying on instruments, drifted north of its normal track because of strong winds and crashed into the mountain.
Contributing factors' 1) The winds were stronger than forecast; 2) An accurate bearing could not be obtained at Mus, and Van had not been checked; 3) Sub-normal temperatures would result in a high indicated altimeter reading; 4) Calculations on the flight and contacts with beacons were not coordinated and controlled."

Classification:
Controlled Flight Into Terrain (CFIT) - Mountain

Sources:
» ICAO Accident Digest Circular 62-AN/57 (114-115)


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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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