Accident
Last updated: 1 September 2014
Estado:
Fecha:lunes 7 junio 1971
Hora:09:49
Tipo:Convair CV-580
Operador:Allegheny Airlines
Registración: N5832
Numéro de série: 384
Año de Construcción: 1956
Horas Totales de la Célula:33058
Motores: 2 Allison 501-D13
Tripulación:Fatalidades: 2 / Ocupantes: 3
Pasajeros:Fatalidades: 26 / Ocupantes: 28
Total:Fatalidades: 28 / Ocupantes: 31
Daños en la Aeronave: Anulado
Consecuencias: Written off (damaged beyond repair)
Ubicación:1,5 km (0.9 milles) S of New Haven Airport, CT (HVN) (   Estados Unidos de América) show on map
Fase: Aproximación (APR)
Naturaleza:Vuelo Doméstico Programado
Aeropuerto de Salida:Groton-New London Airport, CT (GON), Estados Unidos de América
Aeropuerto de Llegada:New Haven Airport, CT (HVN/KHVN), Estados Unidos de América
Número de Vuelo: 485
Descripción:
The aircraft struck cottages, located 4890 feet short of runway 02, and crashed. The aircraft was on a non precision instrument approach.
The Convair was originally manufactured as a Convair CV-440 and converted to a Convair 580. The plane had flown 8406 hours since the conversion in September 1967.


PROBABLE CAUSE: "The captain's intentional descent below the prescribed minimum descent altitude under adverse weather conditions without adequate forward visibility or the crew's sighting of the runway environment. The captain disregarded advisories from his first officer that minimum descent altitude had been reached and that the airplane was continuing to descend at a normal descent rate and airspeed. The Board was unable to determine what motivated the captain to disregard prescribed operating procedures and altitude restrictions and finds it difficult to reconcile the actions he exhibited during the conduct of this flight."

Fuentes:
» ICAO Accident Digest Circular 118-AN/88 (165-186)

Official accident investigation report
investigating agency: National Transport Safety Bureau (NTSB) - USA
report status: Final
report number: NTSB/AAR-72-20
report released:01-JUN-1972
duration of investigation:360 days (12 months)
download report: Allegheny Airlines, Inc., Allison Prop Jet Convair 340/440, N5832, New Haven, Connecticut, June 7, 1971. (NTSB/AAR-72-20)
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Subsiguiente / acciones de seguridad

NTSB issued 14 Safety Recommendations

Show all AD's and Safety Recommendations

Fotos

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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 Groton-New London Airport, CT to New Haven Airport, CT as the crow flies is 70 km (44 miles).

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Convair CV-580

  • 7th loss
  • 182 built
  • 2nd worst accident (a la hora)
  • 3rd worst accident (actualmente)
safety profile

 Estados Unidos de América
  • 83rd worst accident (a la hora)
  • 120th worst accident (actualmente)
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