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Last updated: 25 January 2022
Estado:Final
Fecha:sábado 17 noviembre 1951
Hora:10:14
Tipo:Silhouette image of generic DC4 model; specific model in this crash may look slightly different
Douglas DC-4
Operador:California Eastern Airways
Registración: N4002B
Numéro de série: 10474
Año de Construcción: 1944
Tripulación:Fatalidades: 0 / Ocupantes: 3
Pasajeros:Fatalidades: 0 / Ocupantes: 0
Total:Fatalidades: 0 / Ocupantes: 3
Daños en la Aeronave: Considerable
Consecuencias: Repaired
Ubicación:Oakland Range, CA (   Estados Unidos de América)
Fase: Aproximación (APR)
Naturaleza:Entrenamiento
Aeropuerto de Salida:Oakland International Airport, CA (OAK/KOAK), Estados Unidos de América
Aeropuerto de Llegada:Oakland International Airport, CA (OAK/KOAK), Estados Unidos de América
Descripción:
An Overseas National Douglas C-54D (N79992, msn 10832) took off from Oakland Airport, California at 08:20 on a captain's instrument competency check. At 09:23 the flight was given clearance to make a practice range approach and to remain above 1500 feet. At 09:35 a California Eastern DC-4 (N4002B, msn 10474) took off from Oakland for a similar check-flight.
The two aircraft approached Oakland Range (located 0,2 mile NE of runway 15) at 3000 feet; the Overseas National aircraft on a 124° heading at a speed of 140 mph, the California Eastern plane on a 75° heading at a speed of 170 mph. Both aircraft continued until they collided. The empennage of the ONA aircraft was torn off and the plane crashed on a highway and caught fire. Eleven people on the ground were injured. The California Eastern aircraft was able to make an emergency landing at San Francisco Airport.

Probable Cause:

PROBABLE CAUSE: "The failure of the Overseas safety pilot and/or his observer to observe and so avoid the other aircraft and the failure of California's safety pilot to carry a qualified observer aboard the aircraft to insure adequate field of vision."

Fuentes:
» CAB File No. 1-0098


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