A flight investigation of system accuracies and operational capabilities of a general aviation area navigation systems
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1977-06-01
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Edition:Final; July 1975 - September 1975
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Abstract:Flight tests were conducted at the National Aviation Facilities Experimental
Center (NAFEC) using a general aviation area navigation (RNAV) system to
investigate system accuracies and resultant airspace requirements in the
terminal area. Issues investigated were total system error and error budget,
flight technical error, turn anticipation, waypoint storage capacity, and
results of typical operational maneuvers. Subject pilots for the test represented
two distinct levels of experience. Subjects were also res tricted to a
one-, two-, or three-waypoint storage capacity for various flights. Statistical
data are presented for the various error components making up the RNAV total
system error. Various operational capabilities were also investigated and
graphical data are presented for parallel offsets and turn anticipation. A
two standard deviation of +1.5 nmi was measured for total system crosstrack
error in the terminal area.
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