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Visual Illusions

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(1) A specific case of 'runway dimensions' is runway widths at equivalent class airports are usually the same - for example 45 metres. If a runway width different to that normally used is exceptionally encountered, it can create for particular crews a 'visual illusion' of being shorter or longer than it actually is from the visual stage of final approach (2) CFIT due to possible 'black hole' effect was the probable cause of the Gulf Air A320 crash at Bahrain in August 2000. Worth adding to the scenarios one which uses this as that this is one of the few ways a go around can turn into CFIT in flat terrain--Peter.Blackstone 15:21, 5 April 2008 (CEST)