The AN/ALR-2002 Radar Warning Receiver

Radar warning receiver

Radar warning receiver systems detect the radio emissions of radar systems. Their primary purpose is to issue a warning when a radar signal that might be a threat is detected. The warning can then be used, manually or automatically, to evade the detected threat...

 is designed to warn an aircraft's crew of potentially hostile radar activity. British Aerospace Australia was the sole contractor for the AN/ALR-2002 Australian indigenous System

The AN/ALR-2002 Radar Warning Receiver is a threat warning system for tactical aircraft and was designed for the F-111

General Dynamics F-111

The General Dynamics F-111 "Aardvark" was a medium-range interdictor and tactical strike aircraft that also filled the roles of strategic bomber, reconnaissance, and electronic warfare in its various versions. Developed in the 1960s by General Dynamics, it first entered service in 1967 with the...

, the Royal Australian Air Force

Royal Australian Air Force

The Royal Australian Air Force is the air force branch of the Australian Defence Force. The RAAF was formed in March 1921. It continues the traditions of the Australian Flying Corps , which was formed on 22 October 1912. The RAAF has taken part in many of the 20th century's major conflicts...

 (RAAF) F/A-18 Hornet

F/A-18 Hornet

The McDonnell Douglas F/A-18 Hornet is a supersonic, all-weather carrier-capable multirole fighter jet, designed to dogfight and attack ground targets . Designed by McDonnell Douglas and Northrop, the F/A-18 was derived from the latter's YF-17 in the 1970s for use by the United States Navy and...

 and S-70 Blackhawk Helicopters. The system was designed to detect, identify and display radars and radar-guided weapon systems. The system also co-ordinates its operation with jammer

Radar jamming and deception

Radar jamming and deception is the intentional emission of radio frequency signals to interfere with the operation of a radar by saturating its receiver with noise or false information...

s.

The AN/ALR-2002B comprises the following units:

• Four Quadrant Receivers
• A Low-Band Receiver
• A Data Processor
• A Track and Interface Processor, and
• A Colour Threat Display

, the Australian Defence minister has accepted a recommendation to stop development of the ALR-2002B variant for the F/A-18, the RAAF will most likely install the US Navy deployed Raytheon ALR-67(V)3 instead. The ALR-67(V)3

ALR-67 Radar Warning Receiver

The AN/ALR-67 Radar Warning Receiver is designed to warn an aircraft's crew of potentially hostile radar activity. It is an airborne threat warning and countermeasures control system built to be successor to the United States Navy's AN/ALR-45. Northrop Grumman Corporation's Electronic Systems...

is currently fitted to the F/A-18 E/F Hornet and some F/A-18 C/D Hornet aircraft. The decision was based on integration, programatic (cost & schedule), political (internal to DMO) and performance issues. http://www.theage.com.au/news/National/400m-Hornet-radar-contract-dumped/2006/09/13/1157826975748.html

Continued development and deployment of the ALR-2002B variant, for use with transport and rotary wing aircraft, is still expected to continue.