What is the function of a transponder in UAS operation?

The function of a transponder in UAS (Unmanned Aircraft Systems) operation is primarily to communicate the aircraft's position to air traffic control, which is essential for ensuring situational awareness among both UAS operators and traditional manned aircraft. This communication allows air traffic controllers to monitor the UAS's location, altitude, and intention, contributing to overall airspace safety.

Transponders play a critical role in preventing collisions by making the UAS visible on radar and other tracking systems used by air traffic control. By broadcasting information such as identification, altitude, and velocity, transponders help establish a clear understanding of the UAS's flight profile, which is crucial in busy airspace or near airports where various types of aircraft operate concurrently.

While tracking the flight path, enhancing battery life, or providing live video feeds may be important functions of other systems on the UAS, they do not pertain to the specific role of the transponder in maintaining air traffic situational awareness. Transponders are dedicated to communications rather than flight tracking or operational efficiency related to battery life or video transmission.