Descripción del Accidente ASN 08 OCT 1946 Douglas DC-4 NC30051 - Cheyenne Airport, WY (CYS)
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Estado:Accident investigation report completed and information captured
Fecha:martes 8 octubre 1946
Hora:04:33
Tipo:Silhouette image of generic DC4 model; specific model in this crash may look slightly different
Douglas DC-4
Operador:United Airlines
Registración: NC30051
Numéro de série: 10471
Año de Construcción: 1944
Horas Totales de la Célula:3077
Motores: 4 Pratt & Whitney R-2000-11
Tripulación:Fatalidades: 0 / Ocupantes: 4
Pasajeros:Fatalidades: 2 / Ocupantes: 37
Total:Fatalidades: 2 / Ocupantes: 41
Daños en la Aeronave: Anulado
Consecuencias: Written off (damaged beyond repair)
Ubicación:2,4 km (1.5 milles) NW of Cheyenne Airport, WY (CYS) (   Estados Unidos de América)
Fase: Aproximación (APR)
Naturaleza:Vuelo Doméstico Programado
Aeropuerto de Salida:San Francisco Municipal Airport, CA (SFO/KSFO), Estados Unidos de América
Aeropuerto de Llegada:Cheyenne Airport, WY (CYS/KCYS), Estados Unidos de América
Número de Vuelo: 28
Descripción:
At least two attempts to land had failed as the aircraft approached too high in minimum ceiling conditions. The pilot tried to maneuver the aircraft to another runway at a low altitude. The wing struck the ground and the DC-4 skidded for 700 feet. The aircraft was named "Mainliner Lake Michigan".

Probable Cause:

PROBABLE CAUSE: "The Board determines that the probable cause of this accident was a loss of altitude during a turn preparatory to a final approach while the pilot was manoeuvring in an attempt to land."

Accident investigation:

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Investigating agency: CAB
Status: Investigation completed
Accident number: final report
Download report: Final report

Fuentes:
» CAB File No. 4048-46


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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 San Francisco Municipal Airport, CA to Cheyenne Airport, WY as the crow flies is 1546 km (966 miles).
Accident location: Approximate; accuracy within a few kilometers.

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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