Which of the following is NOT a feature of ATCRBS?

ATCRBS, or the Airport Traffic Control Radar Beacon System, is primarily designed for use in air traffic control systems to enhance aircraft tracking and identification. Its core functionalities include the ability to track aircraft locations, identify air traffic, and facilitate coordination among air traffic controllers.

In-flight weather reporting is not a feature of ATCRBS. While weather information is crucial in aviation, it is typically handled by separate systems, such as Weather Surveillance Radar or METARs, that provide real-time weather data. ATCRBS focuses specifically on the operational aspects of tracking and coordinating aircraft rather than delivering weather updates.

This specificity of function is why in-flight weather reporting is not a characteristic of ATCRBS, making it the choice that does not align with the system's intended operations.