AN/APY-9 Advanced Hawkeye radar

The AN/APY-9 is the radar for the U.S. Navy's E-2D Hawkeye aircraft. It replaces the APS-145 system in service with E-2C aircraft. The radar is intended to meet the U.S. Navy's littoral surveillance and theater air and missile defense missions.

The APY-9 is a hybrid system featuring a rotating antenna that scans the sky, as well as a passive phased array/electronically steered architecture to focus on specific targets. The system is significantly more sensitive than the APS-145...