Northrop Grumman to build AN/APR-39 electronic warfare (EW) radar warning receivers to protect helicopters

Jan. 18, 2024
The APR-39 also functions as an electronic warfare (EW) management system in Northrop Grumman's suite of integrated EW sensors and countermeasures.

REDSTONE ARSENAL, Ala. – U.S. Army avionics experts are asking engineers at Northrop Grumman Corp. to build and support the AN/APR-39 family of radar warning receivers to help protect Army helicopters and fixed-wing aircraft.

Officials of the Army Contracting Command at Redstone Arsenal, Ala., announced an $106.6 million order in December to the Northrop Grumman Mission Systems segment in Rolling Meadows, Ill., for the AN/APR-39 radar signal detecting set program.

The AN/APR-39 family of radar warning receivers is for U.S. Army and Navy aircraft and ships. It detects radar threats to aircraft, such as radar ground sites and particularly radar-guided missiles, and provides 360-degree coverage around the aircraft. When the system detects enemy radar, it alerts the aircraft crew to each threat with a graphic symbol on the cockpit display.

The AN/APR-39D(V)2 is the latest upgrade to the AN/APR-39 radar warning receiver that corrects deficiencies and enhances capability in the same weight and dimensions as the previous system. The upgrade calls for a new digital receiver for the AN/APR-39D(V)2.

Related: Lockheed Martin to build electronic warfare (EW) system for AH-64E attack helicopter to counter enemy radar

The APR-39 provides the pilot and air crew with information on threat types, bearing, and the severity of the threat. The system also gives the aircrew synthetic speech audio threat warnings.

The APR-39 also functions as an electronic warfare (EW) management system, and serves as the heart of Northrop Grumman's suite of integrated sensors and countermeasures that integrates and displays data from onboard sensors radio frequency and electro-optical sensors.

On this order Northrop Grumman will do the work at locations to be determined with each order, and should be finished by August 2028. For more information contact Northrop Grumman Mission Systems online at https://www.northropgrumman.com/who-we-are/business-sectors/mission-systems, or the Army Contracting Command-Redstone at https://www.basedirectory.com/redstone-arsenal-directory/army-contracting-command.

About the Author

John Keller | Editor

John Keller is editor-in-chief of Military & Aerospace Electronics magazine, which provides extensive coverage and analysis of enabling electronic and optoelectronic technologies in military, space, and commercial aviation applications. A member of the Military & Aerospace Electronics staff since the magazine's founding in 1989, Mr. Keller took over as chief editor in 1995.

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