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Estado:Final
Fecha:sábado 17 diciembre 1955
Hora:20:40
Tipo:Silhouette image of generic C46 model; specific model in this crash may look slightly different
Curtiss C-46F Commando
Operador:Riddle Airlines
Registración: N9904F
Numéro de série: 30262
Año de Construcción: 1944
Motores: 2 Pratt & Whitney R-2800-75
Tripulación:Fatalidades: 2 / Ocupantes: 2
Pasajeros:Fatalidades: 0 / Ocupantes: 0
Total:Fatalidades: 2 / Ocupantes: 2
Daños en la Aeronave: Destruido
Consecuencias: Written off (damaged beyond repair)
Ubicación:cerca Hollywood, SC (   Estados Unidos de América)
Fase: En ruta (ENR)
Naturaleza:Carga
Aeropuerto de Salida:Wilmington-New Hanover County Airport, NC (ILM/KILM), Estados Unidos de América
Aeropuerto de Llegada:Jacksonville-Thomas Cole Imeson Municipal Airport, FL, Estados Unidos de América
Descripción:
The aircraft was engaged on a scheduled cargo flight from New York to Miami, Florida, with scheduled stops at Wilmington, North Carolina and Jacksonville, Florida. Flying on a VFR flight plan the aircraft landed at Wilmington at 18:57 and departed again at 19:36, estimating Jacksonville at 21:56. At approximately 20:40, at a point near Hollywood, South Carolina, engines were heard by witnesses and lights were seen descending on an erratic path as the aircraft fell in several pieces to the ground.

The aircraft was manufactured for and operated by the U.S. Air Force as a C-46A, and was decommissioned and stored in the Egyptian desert. Subsequently an Italian firm bought the aircraft, and the Curtiss-Wright company authorised this firm to convert C.46A's to C-46E's, and provided them with an incomplete set of drawings relative to this conversion, which is identical to that for the C-46F insofar as the tail surfaces arc concerned. Where specified material was not available the nearest available material was used. In every case the strength of the material in the new part exceeded the strength of the material specified. Many of the newly installed parts were heavier than the original parts.
A comparison of the rudder elevators, their tabs and their control mechanisms on the accident aircraft with applicable Curtiss-Wright drawings disclosed many nonconformities.

Probable Cause:

PROBABLE CAUSE: "An in-flight structural failure resulting from a violent pitch-down induced by the erratic action of nonconforming elevator tab controls."



Fotos

photo of Curtiss-C-46A-Commando-N9904F
wreckage distribution chart
 

Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Wilmington-New Hanover County Airport, NC to Jacksonville-Thomas Cole Imeson Municipal Airport, FL as the crow flies is 550 km (344 miles).

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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