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Last updated: 25 October 2021
Statuts:Enquête Officielle
Date:jeudi 12 septembre 1946
Heure:13:42
Type/Sous-type:Silhouette image of generic DC4 model; specific model in this crash may look slightly different
Douglas C-54A-10-DC (DC-4)
Compagnie:Pennsylvania-Central Airlines
Immatriculation: NX91068
Numéro de série: 10342
Année de Fabrication: 1944
Heures de vol:3598
Moteurs: 4 Pratt & Whitney R-2000-7
Equipage:victimes: 0 / à bord: 4
Passagers:victimes: 0 / à bord: 0
Total:victimes: 0 / à bord: 4
Dégats de l'appareil: Perte Totale
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:Washington-National Airport, DC (DCA) (   Etats-Unis d'Amérique)
Phase de vol: En approche (APR)
Nature:Entrainement
Aéroport de départ:Washington-National Airport, DC (DCA/KDCA), Etats-Unis d'Amérique
Aéroport de destination:Washington-National Airport, DC (DCA/KDCA), Etats-Unis d'Amérique
Détails:
A no. 4 engine fire forced the crew to land immediately at Washington-National. The fire was fed by fuel and oil escaping from melted and burned fuel and oil line connections. The engine separated from the wing just prior to touchdown.

Probable Cause:

PROBABLE CAUSE: "The Board determines that the probable cause of this accident was the failure in the No. 4 engine of the exhaust valve of the No. 2 cylinder and the exhaust connection of the No. 1 cylinder which resulted in fire in flight. A contributing factor was the inadequacy of the seal between the firewall and nacelle skin and between individual cowl panels which permitted the fire eventually to reach Zone 3 and to become uncontrollable."

Sources:
» CAB File No. 3894-46


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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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