Descripción del Accidente ASN 18 APR 1948 Lockheed 414-56 Hudson IIIA VH-ALA - Lae Airfield
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Estado:Accident investigation report completed and information captured
Fecha:domingo 18 abril 1948
Hora:09:20
Tipo:Silhouette image of generic L14 model; specific model in this crash may look slightly different
Lockheed 414-56 Hudson IIIA
Operador:Guinea Air Traders
Registración: VH-ALA
Numéro de série: 6460
Año de Construcción: 1942
Horas Totales de la Célula:851
Motores: 2 Wright GR-1820 Cyclone
Tripulación:Fatalidades: 2 / Ocupantes: 2
Pasajeros:Fatalidades: 35 / Ocupantes: 35
Total:Fatalidades: 37 / Ocupantes: 37
Daños en la Aeronave: Destruido
Consecuencias: Written off (damaged beyond repair)
Ubicación:4 km (2.5 milles) W of Lae Airfield (   Papúa Nueva Guinea)
Fase: Ascenso Inicial (ICL)
Naturaleza:Vuelo Doméstico Programado
Aeropuerto de Salida:Lae Airfield, Papúa Nueva Guinea
Aeropuerto de Llegada:Bulolo Airport (BUL), Papúa Nueva Guinea
Descripción:
The Lockheed Hudson departed Lae Airfield for Bulolo and Wau, Papua New Guinea, at 09:19 hours. Shortly after takeoff, when at an altitude of about 500 feet, the no.1 engine failed. The aircraft then stalled and spun into the ground on an island in the Markham River. Only the pilot was provided with a seat and seatbelt as the airplane was operated in freighter configuration.

The loss of power on the no.1 engine was due to the failure, through fatigue, of the Accessory Drive Gear.

Probable Cause:

Cause: "Loss of control of the aircraft, most probably due to poor technique on the part of the pilot, following failure of the port engine shortly after takeoff.
Probabe contributory causes:
1. The inadequate conversion course to Hudson aircraft undergone by the pilot. The syllabus laid down in Air Navigation Orders was not followed, in that the pilot was not required to demonstrate adequatly his ability to control the aircraft in asymmetric flight during landing and takeoff, and in stalling.
2. The incorrect disposabl of the load, resulting in the position of the Centre of Gravity of the aircraft being outside the rearmost limit laid down in the Interim Certificate of Airworthiness of VH-ALA. Under these conditions the stability of the aircraft would be adversely affected."

Accident investigation:

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Investigating agency: DCA Australia
Status: Investigation completed
Duration: 80 days (3 months)
Accident number: Final report
Download report: Final report

Fuentes:
» The Lockheed File - VH-ALA
» Early Aviation Disasters / D. Gero, 2011


Fotos

photo of Lockheed-414-56-Hudson-IIIA-VH-ALA
accident date: 18-04-1948
type: Lockheed 414-56 Hudson IIIA
registration: VH-ALA
photo of Lockheed-414-56-Hudson-IIIA-VH-ALA
accident date: 18-04-1948
type: Lockheed 414-56 Hudson IIIA
registration: VH-ALA
photo of Lockheed-414-56-Hudson-IIIA-VH-ALA
 
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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Lockheed Hudson

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