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Last updated: 9 December 2021
Statuts:
Date:dimanche 13 avril 1947
Type/Sous-type:Avro 685 York I
Compagnie:British South American Airways - BSAA
Immatriculation: G-AHEZ
Numéro de série: 1303
Année de Fabrication: 1946
Moteurs: 4 Rolls-Royce Merlin
Equipage:victimes: 0 / à bord: 6
Passagers:victimes: 6 / à bord: 9
Total:victimes: 6 / à bord: 15
Dégats de l'appareil: Perte Totale
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:Dakar-Yoff Airport (DKR) (   Sénégal)
Phase de vol: A l'atterrissage (LDG)
Nature:Transport de Passagers Intern.
Aéroport de départ:Lisboa-Portela de Sacavém Airport (LIS/LPPT), Portugal
Aéroport de destination:Dakar-Yoff Airport (DKR/GOOY), Sénégal
Détails:
The Avro York plane crash-landed on its belly following 3 unsuccessful attempt to land in poor visibility conditions. The belly was split open and the fuselage broke up to the rear of the wing.

Probable Cause:

PROBABLE CAUSE: "Direct Causes: Flight plan (too great errors in the ETA; endurance inexact); Lack of decision on the part of the pilot who, after his second attempt to land, and in view of his insufficient petrol reserve, should have carried out the diversionary plan.; The lighting of the runways was inadequate: There were no approach lights.; There are no wireless facilities for landing in bad visibility at Dakar-Yoff.
Contributory Causes: Difficulties in exchange of radio telephony communications between the control tower and the aircraft.; Insufficient knowledge of the English language by the controllers in the tower, according to the Americans and British.; As regards to the crew, there certainly appears to have been a slight nervousness during the attempts to land. The danger to passengers in the case of cabin fuselage below the wing in the event of a forced landing elsewhere than on a runway. Lack of knowledge of THIES by BSAA crews. THIES was given on the old general aeronautical maps but, at the time of the accident, no schedule for this aerodrome has yet been published by the Aeronautical Information Section. This schedule is now available."



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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 Lisboa-Portela de Sacavém Airport et Dakar-Yoff Airport est de 2777 km (1736 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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