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What does SD stand for?

SD stands for Spatial Disorientation

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We have 158 other meanings of SD in our Acronym Attic

Samples in periodicals archive:

Vertigo and spatial disorientation are two of the emergencies we brief before every flight.
Chapter topics include the physiology of visions and visual processing and body perception, the role of basic visual functions in aviation, pilot perception of cues used for visual flying, research on cues used for visual flying, and spatial disorientation (illusions and misperceptions).
Jul 23, 2009 Spatial disorientation of the pilots, particularly the captain, was one of the factors that led to the loss of an Aeroflot-Nord Boeing 737-550 that crashed on approach to Perm on 14 September 2008, killing all 88 people on board, according to the CIS accident investigator MAK.