The National Airspace System (NAS) is a large and complex system encompassing a wide-range of resources to enable safe and efficient air transportation.
Communications, Navigation, and Surveillance Events Simulation for the National Airspace System
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The National Airspace System (NAS) is a large and complex system encompassing a wide-range of resources to enable safe and efficient air transportation. To effectively manage the NAS, it is very important to be able to reliably assess current and future demand for communications, navigation, and surveillance (CNS) resources as they are triggered by air traffic control (ATC) events. The authors present an integrated model that is capable of relating NAS ATC events to NAS CNS demand. Model validation with a subset of recorded ETMS CNS statistics will be presented. Combining such a model with NAS future demand predictors such as Terminal Area Forecasts (TAF) and Future Aviation Timetable Estimator (FATE), it becomes possible to estimate the increase in CNS demand and future requirements for CNS capacity, for resource planning purposes. The model presented in this paper includes tracking of radar-related messages and sector workload. Future enhancements to the model may include the tracking of flight amendments, flight reroutes, and surveillance-related triggering events such as conflict detection and early warning simulation. Model animation in Proof (Wolverine Software Corporation, 2004) is also facilitated by the model.