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Meeting	ACGS Committee Meeting 120 - Tukwila, WA - November 2017
Agenda Location	6 SUBCOMMITTEE E – FLIGHT, PROPULSION, AND AUTONOMOUS VEHICLE CONTROL SYSTEMS 6.1 Aircraft Loss of Control: Problem Analysis and Research Toward a Holistic Solution
Title	Aircraft Loss of Control: Problem Analysis and Research Toward a Holistic Solution
Presenter	Chris Belcastro
Affiliation	NASA Langley
Available Downloads*	presentation video
	Downloads are available to members who are logged in and either Active* or attended this meeting.
Abstract	Aircraft loss of control (LOC) is a leading cause of fatal accidents across all civil airplane and operational classes. LOC can result from a wide spectrum of precursors (or hazards), often occurring in combination. Technologies developed for LOC prevention and recovery must therefore be effective across a wide variety of hazards and associated uncertainties, including multiple hazards. Moreover, the validation process must provide a means of assessing system effectiveness and coverage of these hazards. This paper provides an overview of LOC as an aircraft dynamics and control problem, an analysis of LOC hazards based on recent worldwide accidents and incidents, and a summary of selected research conducted to address LOC prevention and recovery. This work is detailed in a Special Issue of the Journal of Guidance, Control, and Dynamics, which was published in April 2017. The research summarized herein includes vehicle dynamics modeling for characterizing LOC effects, onboard systems technologies for LOC prevention and recovery, and technology validation under high-risk LOC conditions. The relevance of this research to future autonomous aircraft systems is also briefly discussed.