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In our NATOPS briefs, we routinely hear, "If you are experiencing vertigo or spatial disorientation.
They used this definition to identify the mishaps: Spatial disorientation describes "a variety of incidents occurring in flight where the pilot fails to sense correctly the position, motion or attitude of the aircraft, or of himself within the fixed co-ordinate system provided by the surface of the earth and the gravitational vertical.
Spatial disorientation training emphasizes the physiological hazards of flight.
ASTC training includes: Spatial disorientation and misorientation, visual illusions, visual scanning, induced myopia, situational awareness, spatial strategies.
Adverse weather conditions, combined with formation flying, contribute to scenarios conducive for spatial disorientation.
In today's military aviation, there is an added emphasis on night flying, all-weather capability, and low-altitude missions, which are all scenarios that increase spatial disorientation.
Loss of control of the aircraft is a result of spatial disorientation C* after a long slow roll, during which no instrument scanning was done, and in the absence of external visual references in a dark night," the report said.
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).
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.
This deviation may have been due to a servo transparency encounter, spatial disorientation, misjudgment or some other factors or combination of factors.
Washington, November 14 (ANI): American researchers at the National Space Biomedical Research Institute (NSBRI) are working on a system that will help astronaut pilots in real time to overcome the effects of spatial disorientation, the confusion of senses as to which way is up that often leads to fatal aviation accidents.
US investigators claimed spatial disorientation suffered by the US pilots led to the crash.

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