Beacon codes are specifically assigned to which type of aircraft?

Beacon codes, specifically known as transponder codes, are primarily associated with Mode 3/A equipped aircraft. These codes are used in radar systems to identify and track aircraft in airspace. Mode 3/A transponders respond to radar interrogations with a unique four-digit code, allowing air traffic controllers to associate an aircraft with its respective information on the radar display. This assignment of codes is essential for effective air traffic management, as it enables controllers to distinguish between different aircraft, enhancing situational awareness and safety.

The other options refer to specific categories of aircraft that may or may not be equipped with Mode 3/A transponders. While military aircraft do utilize transponder codes, they often have distinct codes and systems for identification that are not limited to Mode 3/A. Similarly, commercial airliners and cargo aircraft can have various transponder modes; however, their operational requirements often mandate the use of Mode 3/A, making the focus on Beacon codes applicable universally to Mode 3/A equipped aircraft, regardless of their type. Thus, the best answer aligns specifically with the technology and operational standards set for aircraft using this transponder mode.