NEW BASIC FLIGHT INSPECTION SYSTEM.
AIRBORNE INSTRUMENTS LAB DEER PARK N Y
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A program was conducted to design an airborne system for FAA flight inspection of navigation-aid facilities. The design was concerned with all common-system navigation aids however, those of major concern were VOR, TACAN, VORTAC, ILS Localizer, and ILS Glide Slope. The system design had the goal of eliminating subjective judgement, human error, and instrumentation error wherever possible. This required abandoning the concept of facility evaluation from the standpoint of specific users of the signals, and replacing it by measurements based upon objective scientific principles. The design makes use of a display and recording approach that presents the significant data in a clear and uncluttered way for inflight use. However, the capability to recognize small irregularities quickly is retained and means are included to explore and analyze data in detail either in flight as it is being received or after the flight.