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TCAS Operational Performance Assessment in the U.S. National Airspace

机译：美国国家空域的TCAS运营绩效评估

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Ongoing monitoring of safety critical systems is an important means of ensuring that system performance meets requirements and facilitating proactive identification and resolution of potential problems. The Federal Aviation Administration (FAA) recently implemented one such effort, the TCAS Operational Performance Assessment (TOPA) program. This program records automatic downlinks of all TCAS Resolution Advisory (RA) events within sensor coverage and correlates the RAs with surveillance data, calculates performance parameters and permanently stores the data for future analysis. Periodic and focused reports are prepared based on these data. This paper summarizes key analyses of over 15,000 TCAS RAs collected in the period April — September 2009 at 5 major terminal areas in the U.S. National Airspace (NAS). Most RAs occurred below 5,000' in Class E airspace and involved low performance General Aviation (GA) intruders. Although no significant issues were observed with the performance of TCAS logic, the analysis showed that pilot compliance with Climb and Descend RAs did not meet system design assumptions. These results indicate that pilot training and the design of future systems must explicitly consider these factors.
机译：持续监视安全关键系统是确保系统性能满足要求并促进主动识别和解决潜在问题的重要手段。联邦航空管理局（FAA）最近实施了一项这样的工作，即TCAS运营绩效评估（TOPA）计划。该程序记录传感器覆盖范围内所有TCAS决议咨询（RA）事件的自动下行链路，并将RA与监视数据相关联，计算性能参数并永久存储数据以备将来分析。根据这些数据准备定期的重点报告。本文总结了在2009年4月至2009年9月期间，在美国国家空域（NAS）的5个主要航站区收集的15,000多个TCAS RA的关键分析。大多数RA发生在E级领空以下5,000'以下，涉及性能低下的通用航空（GA）入侵者。尽管未观察到TCAS逻辑性能的重大问题，但分析表明，飞行员对Climb和Descend RA的依从性不符合系统设计假设。这些结果表明，飞行员培训和未来系统的设计必须明确考虑这些因素。

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