Descripción del Accidente ASN 12 DEC 1956 Lockheed 18-14 Lodestar N28366 - Bartlesville Airport, OK (BVO)
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Estado:Accident investigation report completed and information captured
Fecha:mircoles 12 diciembre 1956
Hora:08:50
Tipo:Silhouette image of generic L18 model; specific model in this crash may look slightly different
Lockheed 18-14 Lodestar
Operador:Phillips Petroleum Company
Registración: N28366
Numéro de série: 18-2043
Año de Construcción: 1940
Tripulación:Fatalidades: 2 / Ocupantes: 2
Pasajeros:Fatalidades: 6 / Ocupantes: 6
Total:Fatalidades: 8 / Ocupantes: 8
Daños en la Aeronave: Anulado
Consecuencias: Written off (damaged beyond repair)
Ubicación:11 km (6.9 milles) SE of Bartlesville Airport, OK (BVO) (   Estados Unidos de América)
Fase: En ruta (ENR)
Naturaleza:Ejecutivo
Aeropuerto de Salida:Bartlesville Airport, OK (BVO/KBVO), Estados Unidos de América
Aeropuerto de Llegada:Salt Lake City International Airport, UT (SLC/KSLC), Estados Unidos de América
Descripción:
About 14 minutes after takeoff, at approximately 08:40, the co-pilot called Bartlesville Radio and stated that the flight was having engine trouble, with an oil temperature over 100 degrees, and requested that the IFR flight plan be cancelled as they might return. At 08:45, the co-pilot again stated that they could not unfeather the propeller. Bartlesville's single 4,600-foot runway had patches of snow and ice while all runways at Tulsa Airport were clear, so the pilot decided to continue to Tulsa. Heading for Tulsa, the aircraft was seen to plunge to earth in a spin. Impact with the rolling terrain was on a heading of about 240 degrees, while the wings were about level, and while the nose-down angle was close to vertical. An explosion and intense fire ensued.

Probable Cause:

PROBABLE CAUSE: "The Board determines that the probable cause of this accident was loss of flying speed during single-engine flight for reasons undetermined. resulting in a spin to the ground."

Accident investigation:

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

Fuentes:
» CAB File No. 2-0053


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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 Bartlesville Airport, OK to Salt Lake City International Airport, UT as the crow flies is 1442 km (902 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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