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Variables Influencing RNAV STAR Adherence  (2018)
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In this study we investigated how variables in the aviation domain impact adherence levels of aircraft flying area navigation arrivals with optimized profile descents (RNAV OPDs). Variables categories were: weather, aircraft, procedure, and traffic. Non-adherence events analyzed were: miss above, miss below, skip before merge, and skip after merge. Miss below and miss above describe when a flight does not comply vertically with a procedure. Skips refer to a flight leaving a procedure, then returning. Findings of this work reveal that vertical events are most impacted by altitude restriction size, steepness of flight paths, and merging routes. Lateral events were impacted by merging routes, number of speed restrictions, and the flow rate of the arrival traffic. This study helps increase understanding of how the system is functioning and identifies where procedures are not flexible enough to handle the variability in normal operations.
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Adherence, Data, Decision, Mining, RADI, RNAV, Trees
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IEEE/AIAA 37th Digital Avionics Systems Conference (DASC)
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Adobe PDF Icon  stewart_matthews_DASC_FINAL.pdf (Download Acrobat Reader Click to download Adobe Acrabat Reader)
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Curator: Phil So
NASA Official: Alonso Vera
Last Updated: August 15, 2019