Crash-aerien 20 NOV 1964 d'un Curtiss C-46F-1-CU Commando N3971B - Detroit-Metropolitan Wayne County Airport, MI (DTW)
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Date:vendredi 20 novembre 1964
Type/Sous-type:Silhouette image of generic C46 model; specific model in this crash may look slightly different
Curtiss C-46F-1-CU Commando
Opérant pour:Zantop Air Transport
Loué à :Aaxico Airlines
Immatriculation: N3971B
Numéro de série: 22594
Année de Fabrication: 1945
Heures de vol:25018
Equipage:victimes: 0 / à bord: 2
Passagers:victimes: 0 / à bord: 0
Total:victimes: 0 / à bord: 2
Dégats de l'appareil: Perte Totale
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:Detroit-Metropolitan Wayne County Airport, MI (DTW) (   Etats-Unis d'Amérique)
Phase de vol: Au décollage (TOF)
Aéroport de départ:Detroit-Metropolitan Wayne County Airport, MI (DTW/KDTW), Etats-Unis d'Amérique
Aéroport de destination:?
Numéro de vol:11346
The Curtiss C-46 was loaded to about 20 pounds under the maximum allowable gross weight of 48000 pounds for the cargo flight to Wilmington. Weather was 2300 feet overcast, visibility 10 miles in light snow, temperature 26deg F. and wind 250deg at 4 knots. About 2-3 inches of snow were swept from the wings and the underlying layer of rough crusted ice was de-iced using an 8 to 1 mixture of ethyline glycol. At 06:08 the plane took off from runway 21L and climbed to 200 feet following a longer than usual takeoff run. When power was reduced, the plane started vibrating and altitude was lost. The aircraft contacted the ground again 2050 feet past the end of the runway and slid for 448 feet before coming to rest in an upright position. It appeared that a layer of about 3 mm ice was still on the wings.

Probable Cause:

PROBABLE CAUSE: "A loss of lift during takeoff, resulting from airframe icing caused by inadequate de-icing and pre-flight inspection."


photo of Curtiss-C-46F-1-CU-Commando-N3971B
accident date: 20-11-1964
type: Curtiss C-46F-1-CU Commando
registration: N3971B
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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