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Accident
Last updated: 22 October 2017
Statuts:
Date:mercredi 5 janvier 1949
Type/Sous-type:Avro 685 York I
Compagnie:British South American Airways - BSAA
Immatriculation: G-AHEX
Numéro de série: 1301
Année de Fabrication: 1946
Moteurs: 4 Rolls-Royce Merlin
Equipage:victimes: 0 / à bord: 6
Passagers:victimes: 3 / à bord: 9
Total:victimes: 3 / à bord: 15
Dégats de l'appareil: Perte Totale
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:Caravelas Bay, BA (   Brésil)
Phase de vol: Inconnu (UNK)
Nature:Transport de Passagers Intern.
Aéroport de départ:?
Aéroport de destination:?
Détails:
A tire failure was experienced on takeoff. The takeoff was continued and a visual inspection was carried out while climbing to cruising altitude. Nothing unusual was noted. At 3,5 hours into the flight the no. 3 engine failed and a fire broke out. The crew immediately started an emergency spiral descent. The York, barely under control, crash-landed near Caravelas.

Probable Cause:

PROBABLE CAUSE: "Fire on board the aircraft while in flight. The secondary cause as the bursting of a tyre of starboard wheel resulting in damage to the undercarriage and to the oil system installation, and which occurred when taking off. The tread of the burst tyre tore off the hydraulic jack bracing struts, which were forced into the nacelle of the engine, causing damage to the oil system installation so that the oil emptied out, and resulting in possible further damage to the propeller feathering system. Owing to the lack of oil, caused by seepage, the connecting rods were torn out, contributing to an excessive increase in speed. In this way the uncontrolled propeller and the resulting overspeeding caused the engine to break apart, allowing the outbreak of fire, whose intensity was aggravated by the large quantity of oil round the nacelle of the no.3 engine."



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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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