Nonethless, the possibility of an engine fault must always be considered by investigators.

BBC: Investigators seek clues to crash

In May, Doncaster Robin Hood Airport was forced to close temporarily after the Vulcan bomber aborted take-off due to an engine fault.

BBC: Vulcan bomber XH558 to be grounded

The driver of the train, which collided with wagons carrying cement, was quickly blamed, but broken brakes and a weak engine were also at fault.

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