Détails:
Flight 355 took off from London for a flight to Singapore via Istanbul. The first approach to Istanbul runway 24 was abandoned because the pilot-in-command couldn't see the runway lights. Heavy rain continued as the pilot approached for the second time. VHF communications were lost during a short period of time because of a power failure in the tower transmitter and was restored when the plane was in the procedure turn. Lightning and heavy turbulence were reported during the descent and the runway was sighted when descending to 500 feet. The pilot made a slight correction to the right and ordered full flaps and power reduction to 20" boost. The plane sank quickly just short of the runway and more power was ordered, but the left main gear had struck the ground in line with the runway, 72 m short of the threshold. The plane bounced and touched down again 14 m further on. The left main gear as well as nose gear collapsed, causing the no. 1 and 2 engines to break off, followed by the entire left wing. The fuselage skidded 260 m down the runway and a fire developed.
PROBABLE CAUSE: "a) During the last approach, the pilot was too early in selecting full flap and reducing the power. b) Due to heavy rain and poor visibility, the height could not be controlled precisely. c) The order for full power was given too late; this created the undershoot condition."
| Statuts: | Accident investigation report completed and information captured |
| Date: | lundi 28 septembre 1964 |
| Heure: | 04:50 |
| Type/Sous-type: |  Douglas DC-7C |
| Compagnie: | Caledonian Airways |
| Immatriculation: | G-ASID |
| Numéro de série: | 45161/757 |
| Année de Fabrication: | 1957 |
| Heures de vol: | 20668 |
| Equipage: | victimes: 0 / à bord: 8 |
| Passagers: | victimes: 0 / à bord: 89 |
| Total: | victimes: 0 / à bord: 97 |
| Dégats de l'appareil: | Perte Totale |
| Conséquences: | Written off (damaged beyond repair) |
| Lieu de l'accident: | Istanbul ( Turquie)
|
| Phase de vol: | En approche (APR) |
| Nature: | Charter International |
| Aéroport de départ: | London-Gatwick Airport (LGW/EGKK), Royaume Uni |
| Istanbul-Yesilköy Airport (IST/LTBA), Turquie | |
| Numéro de vol: | 355 |
Flight 355 took off from London for a flight to Singapore via Istanbul. The first approach to Istanbul runway 24 was abandoned because the pilot-in-command couldn't see the runway lights. Heavy rain continued as the pilot approached for the second time. VHF communications were lost during a short period of time because of a power failure in the tower transmitter and was restored when the plane was in the procedure turn. Lightning and heavy turbulence were reported during the descent and the runway was sighted when descending to 500 feet. The pilot made a slight correction to the right and ordered full flaps and power reduction to 20" boost. The plane sank quickly just short of the runway and more power was ordered, but the left main gear had struck the ground in line with the runway, 72 m short of the threshold. The plane bounced and touched down again 14 m further on. The left main gear as well as nose gear collapsed, causing the no. 1 and 2 engines to break off, followed by the entire left wing. The fuselage skidded 260 m down the runway and a fire developed.
Probable Cause:
PROBABLE CAUSE: "a) During the last approach, the pilot was too early in selecting full flap and reducing the power. b) Due to heavy rain and poor visibility, the height could not be controlled precisely. c) The order for full power was given too late; this created the undershoot condition."
Sources:
» ICAO Aircraft Accident Digest No.16 - Volume III, Circular 82-AN/69 (88-93)Photos
Plan
Ce plan montre l'aéroport de départ ainsi que la supposée destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre London-Gatwick Airport et Istanbul-Yesilköy Airport est de 2467 km (1542 miles).
La distance entre London-Gatwick Airport et Istanbul-Yesilköy Airport est de 2467 km (1542 miles).
Les informations ci-dessus ne représentent pas l'opinion de la 'Flight Safety Foundation' ou de 'Aviation Safety Network' sur les causes de l'accident. Ces informations prélimimaires sont basées sur les faits tel qu'ils sont connus à ce jour.
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