The interrogator in the APX-72 system works in conjunction with which aircraft system?

In the context of the APX-72 system, the interrogator works in conjunction with the radar system. The APX-72 is an identification friend or foe (IFF) system used to identify and distinguish friendly aircraft from potential threats. The interrogator sends out signals and then listens for responses from transponders, which are systems aboard friendly aircraft. The radar system is responsible for detecting and tracking aircraft in the vicinity.

The interaction between the interrogator and the radar system is critical because radar provides the situational awareness needed to determine the positions of various aircraft, while the interrogator enhances the identification aspect by requesting information from the transponders. This dual functionality helps in improving the safety and efficiency of air operations.

Thus, in operational scenarios, the effectiveness of the APX-72 in identifying aircraft is deeply integrated with the radar system, allowing for a comprehensive understanding of aerial surroundings and ensuring that the right identifications are made during missions.