Heathrow Crash 'No ingestion of birds or ice'

The latest report by the Air Accidents Investigation Branch (AAIB) on last months crash landing by a BA Boeing 777 Airline shows that the cause of the accident is still a mystery.

Investigators have found no defects to the plane's major systems.

The report pointed out - "Examination of the engines indicated no evidence of a mechanical defect or ingestion of birds or ice"  

Further examination of the fuel pumps did, however, reveal an abnormality indicative of either a restriction in the fuel supply or an excess of air in the fuel - The report says that the abnormality "...could be indicative of either a restriction in the fuel supply to the pumps or excessive aeration of the fuel."

The report describes the descent of the plane with the first officer taking control for the landing at a height of around 780ft and shortly afterwards the auto throttles giving the increase in thrust required for landing the aircraft.

The engines responded as normal initially but at a height of around 720ft the both engines produced a reduced thrust. The aircraft did not respond and the plane descended rapidly with the landing gear making contact with ground just inside the airfield fence.

The investigations into the cause of the airline crash continues.

The report concludes - "Investigations are now underway in an attempt to replicate the damage seen to the engine high fuel pumps, and to match this to the data recorded on the accident flight."

Written by: Helen Gillilan

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