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: "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."
accident date: 23-04-1959
type: Avro 688 Super Trader
registration: G-AGRH
| Status: | Accident investigation report completed and information captured |
| Date: | Thursday 23 April 1959 |
| Type: |  Avro 688 Super Trader |
| Operator: | Air Charter Ltd. |
| Registration: | G-AGRH |
| MSN: | 1256 |
| First flight: | |
| Crew: | Fatalities: 12 / Occupants: 12 |
| Passengers: | Fatalities: 0 / Occupants: 0 |
| Total: | Fatalities: 12 / Occupants: 12 |
| Aircraft damage: | Damaged beyond repair |
| Location: | Mount Süphan ( Turkey)
|
| Phase: | En route (ENR) |
| Nature: | Cargo |
| Departure airport: | Ankara (unknown airport), Turkey |
| Bahrain International Airport (BAH/OBBI), Bahrain |
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)Photos
accident date: 23-04-1959
type: Avro 688 Super Trader
registration: G-AGRH
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.
languages: 
Turkey
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