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Meeting	ACGS Committee Meeting 117 - Napa, CA - March 2016
Agenda Location	8 SUBCOMMITTEE E – FLIGHT, PROPULSION, AND AUTONOMOUS VEHICLE CONTROL SYSTEMS 8.2 Evaluation of Spatial Disorientation Demonstration Scenarios for Commercial Pilot Training
Title	Evaluation of Spatial Disorientation Demonstration Scenarios for Commercial Pilot Training
Presenter	Dave Klyde
Affiliation	STI
Available Downloads*	presentation
	Downloads are available to members who are logged in and either Active* or attended this meeting.
Abstract	A study of world-wide commercial jet transport accidents by The Boeing Company found the most common events to be loss of control associated with an inability of pilots to recover from upsets and unusual attitudes. A key component in some of these events was pilot spatial disorientation. In terms of non-visual illusion cases, the spatial disorientation most commonly took the form of somatogravic and/or somatogyral illusions. Somatogravic illusions are those associated with the false sensation of body tilt, while somatogyral illusions are those associated with the inability of the human to perceive extended rotations. Improved pilot training in these abnormal flight conditions, including the ability of commercial pilot training simulators to replicate spatial disorientation, is needed to reduce loss of control accidents. A Federal Aviation Association-sponsored program led by Systems Technology, Inc. has developed spatial disorientation demonstration training scenarios using the B747-400 flight simulator at NASA Ames Research Center. Scenarios for a missed approach/go around and a steep bank, constant altitude turn evolved from simulator sessions conducted over several weeks. Formal evaluations of the scenarios were then conducted with 12 commercial airline pilots and two FAA pilots. Results of the study found that the scenarios effectively demonstrated the desired spatial disorientation effects.