Controller-Reported Performance Defects in the Air Traffic Control Radar Beacon System (1971 Survey)
TRANSPORTATION SYSTEMS CENTER CAMBRIDGE MA
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The report analyzes the returns from a recent ATC performance survey initiated by the Beacon System Interference Problem Subgroup. The survey began on 27 November 1971 and lasted for two weeks. Participation was limited to 37 facilities with problems considered representative of the entire system included were enroute centers, civilian towers and military air traffic installations. Examination of the deficiency data revealed that the most common nationwide problem was the loss of beacon coverage for a short period of time. This is followed by broken target slash, ring around, loss of coverage for long time, and false targets. The returns are sorted to identify the type of aircraft involved in the reported discrepancies.
- Air Navigation and Guidance