Incas

By Wiley Stickney

Published on

Incas

InCAS, or Interactive Collision Avoidance Simulator, is a PC-based tool designed to replay and analyze the Airborne Collision Avoidance System (ACAS) during close encounters between aircraft. This simulator is particularly useful for investigators conducting case-by-case incident analysis. It reads radar data and offers an interface to examine this information in detail, eliminating any anomalies present. The cleaned data allows for the simulation of aircraft trajectories at one-second intervals. These simulations are then processed using the full logic of the Traffic Alert and Collision Avoidance System, TCAS II (versions 6.04a, 7.0, and 7.1). Developed by EUROCONTROL, InCAS was a valuable resource until January 2020, when it was no longer maintained or distributed. As a replacement, a new tool called the Collision Avoidance Validation and Evaluation Tool (CAVEAT) has been created. This tool incorporates ACAS X logic and features advanced modeling functions, ensuring continued support for collision avoidance efforts.

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