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Last updated: 31 October 2020
Estado:Final
Fecha:viernes 7 octubre 2005
Hora:18:22
Tipo:Silhouette image of generic DH8C model; specific model in this crash may look slightly different
de Havilland Canada DHC-8-311Q Dash 8
Operador:British Airways Citiexpress
Registración: G-BRYW
Numéro de série: 474
Año de Construcción: 1997-06-14 (8 years 4 months)
Motores: 2 Pratt & Whitney Canada PW123
Tripulación:Fatalidades: 0 / Ocupantes: 4
Pasajeros:Fatalidades: 0 / Ocupantes: 50
Total:Fatalidades: 0 / Ocupantes: 54
Daños en la Aeronave: Considerable
Consecuencias: Repaired
Ubicación:Aberdeen-Dyce Airport (ABZ) (   Reino Unido)
Fase: En Espera (STD)
Naturaleza:Vuelo Doméstico Programado
Aeropuerto de Salida:Aberdeen-Dyce Airport (ABZ/EGPD), Reino Unido
Aeropuerto de Llegada:?
Descripción:
The DHC-8 aircraft was parked on Stand 8 at Aberdeen Airport, U.K. All the passengers were on board and the engines had been started. Shortly after the Ground Power Unit (GPU) cables had been disconnected from the aircraft, and with nobody in the
cab, the GPU moved forward and struck the rotating propeller on the right engine before coming to rest against the fuselage. All the occupants exited the aircraft through the passenger door and no one was injured.
The right propeller had suffered significant damage to all four blades and to its hub. The right engine had come to an abrupt halt and, as a result, the engine required a complete overhaul.
Also, there was a dent in the fuselage with associated local damage to the fuselage structure.

Probable Cause:

Conclusions:
The incident occurred because the GPU was being operated with a worn ball joint on the governor rod, a worn fuel pump spring and a worn gate in the forward-neutral-reverse selector.
These three mechanical defects are attributed to:
a) Inadequacies in the operator's maintenance system, including defect reporting.
b) The lack of appropriate checks in the manufacturer's recommended servicing schedule

Accident investigation:
cover
Investigating agency: AAIB
Status: Investigation completed
Accident number: EW/C2005/10/02
Download report: Final report


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AAIB issued 3 Safety Recommendations

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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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