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Last updated: 26 January 2020
Statuts:Enquête Officielle
Date:lundi 15 novembre 1954
Type/Sous-type:Silhouette image of generic DC4 model; specific model in this crash may look slightly different
Douglas C-54A (DC-4)
Compagnie:Australian National Airways - ANA
Immatriculation: VH-ANF
Numéro de série: 10302
Année de Fabrication: 1944
Equipage:victimes: 0 / à bord: 4
Passagers:victimes: 0 / à bord: 9
Total:victimes: 0 / à bord: 13
Dégats de l'appareil: Substantiels
Conséquences: Repaired
Lieu de l'accident:Brisbane-Eagle Farm Airport, QLD (BNE) (   Australie)
Phase de vol: A l'atterrissage (LDG)
Nature:Transport de Passagers Nat.
Aéroport de départ:Sydney-Kingsford Smith International Airport, NSW (SYD/YSSY), Australie
Aéroport de destination:Brisbane-Eagle Farm Airport, QLD, Australie
As the aircraft turned on to base leg at Brisbane Airport, Australia, the landing gear and 25 degrees of flap down were called. The pilot-in-command inadvertently set the flap at 35 degrees and there was a brief discussion on the desirability of this setting. The first officer was satisfied to allow it to remain at 35 degrees until further flap was required but nevertheless the pilot-in-command re-set it at 25 degrees. The first officer then asked if "three greens" (indicating undercarriage down and locked) were visible and the pilot-in-command replied in the affirmative. The final approach was made with 14-15 inches of manifold pressure and 2250 rpm and full flap was lowered at the appropriate height. As the aircraft neared the runway the flare-out commenced and the first officer reduced power. Almost immediately the undercarriage warning horn sounded and the first officer commenced to re-apply power preparatory to climbing away. At the same time he asked if "three greens" were visible and received the reply from the pilot-in-command "yes three greens visible, go ahead and land". The first officer, therefore, closed the throttles and, with the undercarriage warning horn sounding, placed the aircraft in a landing attitude. Immediately before touch down he realized that the undercarriage was not extended but at this stake it was too late to climb away. The aircraft slid to a standstill along the runway. The occupants were uninjured and quickly evacuated the aircraft.

Probable Cause:

Conclusions: The investigators concluded that : (a) The cause of the accident was that the pilot-in command believing that he had lowered and checked the undercarriage, countermanded action by the first officer to carry out a baulked approach when the audible warning sounded during the final approach to land. (b) The reasons for the pilot-in-command's erroneous conviction that the undercarriage was extended and locked throughout the final approach to the runway have not been determined. (c) The throttle setting for actuating the warning horn was set lower than normal but had no bearing on the accident as it sounded at a stage when the aircraft could have been easily and safely climbed away.

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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 Sydney-Kingsford Smith International Airport, NSW et Brisbane-Eagle Farm Airport, QLD est de 751 km (469 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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