Accident
Last updated: 25 July 2014
Estado:Final
Fecha:miércoles 23 junio 1976
Hora:17:12
Tipo:Silhouette image of generic DC93 model; specific model in this crash may look slightly different
McDonnell Douglas DC-9-31
Operador:Allegheny Airlines
Registración: N994VJ
Numéro de série: 47333/481
Año de Construcción: 1969
Horas Totales de la Célula:21320
Motores: 2 Pratt & Whitney JT8D-7A
Tripulación:Fatalidades: 0 / Ocupantes: 4
Pasajeros:Fatalidades: 0 / Ocupantes: 102
Total:Fatalidades: 0 / Ocupantes: 106
Daños en la Aeronave: Anulado
Consecuencias: Written off (damaged beyond repair)
Ubicación:Philadelphia International Airport, PA (PHL) (   Estados Unidos de América) show on map
Fase: Aproximación (APR)
Naturaleza:Vuelo Doméstico Programado
Aeropuerto de Salida:Windsor Locks-Bradley International Airport, CT (BDL/KBDL), Estados Unidos de América
Aeropuerto de Llegada:Philadelphia International Airport, PA (PHL/KPHL), Estados Unidos de América
Número de Vuelo: 121
Descripción:
The crew aborted the runway 27R approach at low altitude in heavy rain. The aircraft sank back. A tail strike occurred and the aircraft slid 2000 feet.

PROBABLE CAUSE: "The aircraft's encounter with severe horizontal and vertical wind shears near the ground as a result of the captain's continued approach into a clearly marginal severe weather condition. The aircraft's ability to cope under these conditions was borderline when flown according to standard operating procedures; however, if the aircraft's full aerodynamic and power capability had been used, the wind shear could probably have been flown through successfully. Contributing to the accident was the tower controller's failure to provide timely below-minimum RVR information."

Fuentes:
» ICAO Circular 146-AN/96 (148-161)
» NTSB-AAR-78-2

Official accident investigation report
investigating agency: National Transport Safety Bureau (NTSB) - USA
report status: Final
report number: NTSB/AAR-78-02
report released:19-JAN-1978
duration of investigation:575 days (1 year 7 months)
download report: Allegheny Airlines, Inc., Douglas DC-9 N994VJ, Philadelphia, Pennsylvania, June 23, 1976. (NTSB/AAR-78-02)

Subsiguiente / acciones de seguridad

NTSB issued 1 Safety Recommendation

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photo of McDonnell Douglas DC-9-31 N994VJ
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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 Windsor Locks-Bradley International Airport, CT to Philadelphia International Airport, PA as the crow flies is 312 km (195 miles).

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DC-9-30

  • 20th loss
  • 662 built
  • 16th worst accident (a la hora)
  • 38th worst accident (actualmente)
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 Estados Unidos de América
  • 864th worst accident (a la hora)
  • 1416th worst accident (actualmente)
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