Accident
Last updated: 21 September 2014
Estado:Final
Fecha:lunes 18 enero 1960
Hora:22:19
Tipo:Silhouette image of generic VISC model; specific model in this crash may look slightly different
Vickers 745D Viscount
Operador:Capital Airlines
Registración: N7462
Numéro de série: 217
Año de Construcción: 1957
Horas Totales de la Célula:9247
Motores: 4 Rolls-Royce Dart 510
Tripulación:Fatalidades: 4 / Ocupantes: 4
Pasajeros:Fatalidades: 46 / Ocupantes: 46
Total:Fatalidades: 50 / Ocupantes: 50
Daños en la Aeronave: Destruido
Consecuencias: Written off (damaged beyond repair)
Ubicación:11 km (6.9 milles) ENE of Charles City, VA (   Estados Unidos de América) show on map
Fase: En ruta (ENR)
Naturaleza:Vuelo Doméstico Programado
Aeropuerto de Salida:Washington-National Airport, DC (DCA/KDCA), Estados Unidos de América
Aeropuerto de Llegada:Norfolk Municipal Airport, VA (ORF/KORF), Estados Unidos de América
Número de Vuelo: 20
Descripción:
En route from Washington to Norfolk at an altitude of 8000 feet in icing conditions, two engines failed. While descending to a lower altitude, the remaining two engines also failed and the propellers autofeathered. The crew tried to restart the engines and put the aircraft into a dive trying to drive the propellers out of the feathered position as they were not able to unfeather them normally. Eventually they managed to restart engine no. 4. Applying full power to this engine caused the Viscount to enter a circling descent until it crashed into trees with almost no forward velocity.

PROBABLE CAUSE: "The accident was attributed to the delayed arming of the engine ice protection systems while flying in icy conditions, resulting in the loss of engine power and attendant electrical energy required to unfeather propellers and relight sufficient engines to maintain flight."

Fuentes:
» ICAO Circular 64-AN/58 (100-107)


Subsiguiente / acciones de seguridad
Capital Airlines changed the emergency checklist by deleting the phrase 'descend to a warmer climate for relight' and instructed pilots that engine restart could be accomplished at any height, providing that the correct procedures were followed.

Fotos

photo of Vickers 745D Viscount N7462
photo of Vickers 745D Viscount N7462
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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 Washington-National Airport, DC to Norfolk Municipal Airport, VA as the crow flies is 228 km (143 miles).

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Vickers Viscount

  • 30th loss
  • 445 built
  • worst accident (a la hora)
  • 9th worst accident (actualmente)
safety profile

 Estados Unidos de América
  • 13th worst accident (a la hora)
  • 57th worst accident (actualmente)
»safety profile