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Search by topic:   15228. The Use of Autopilots and Global Positioning Systems in Aircraft. Autopilot systems detect deviations in programmed flight plans and make automatic corrections, while global positioning systems use satellites in order to obtain accurate information about craft's position and velocity. This paper explains how these computerized systems work and notes that they are increasingly being used by aircraft pilots. 11 pages, 34 footnotes, 7 bibliographic references.   $77 Copyright 1998-2018 Berkeley Research