The Erieye radar system, is an Airborne Early Warning and Control System (AEW&C) developed by Saab Electronic Defence Systems (formerly Ericsson Microwave Systems) ofSweden. It uses active electronically scanned array (AESA) technology. The Erieye is used on a variety of aircraft platforms, such as the Brazilian Embraer E-99 or EMB-145. It has recently been implemented on the Saab 2000 aircraft.