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AN/APG-81  
Initial Operational Capability (IOC): 2016
Total Production: ?
Origin: United States of America
Corporations: Northrop Grumman
Parent System: AN/APG-81
Initial Operational Capability (IOC): 2016
Total Production: ?
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Description: The AN/APG-81 is an advanced fire control radar developed by Northrop-Grumman for the F-35 Joint Strike Fighter (JSF). It features both air and surface modes and Active Electronically Scanned Array (AESA) antenna for enhanced performance. The APG-81 radar underwent rooftop integration range-testing phase entering flight testing on a Northrop-Grumman BAC 1-11 testbed aircraft in early 2005. The BAC 1-11 tested its air and surface modes. Northrop-Grumman handed over the first AN/APG-81 active electronically scanned array (AESA) fire control radar to F-35 Joint Strike Fighter (JSF) prime contractor Lockheed-Martin on March 3, 2005. APG-81 radar system will support air-to-air, air-to-surface and electronic warfare modes providing the pilot with all-weather precision targeting and advanced air-to-ground automatic target cueing.

The AN/APG-81 radar is a combination of the proven technologies from the F/A-22's APG-77 and the F-16E/F's APG-80 AESA radar systems. The APG-81 features features 1,000 transceivers with the ability to track aerial targets and moving targets on the ground. In the air surveillance mode can detect an airborne target of one square meter Radar Cross Section (RCS) at a range of 150 kilometers. Besides, can track 23 targets in 9 seconds while engaging 19 of them in 2.4 seconds.

AN/APG-81 Applications


Combat Aircraft F-35A Lightning II F-35B Lightning II F-35C Lightning II F-35I Adir

AN/APG-81 Specifications

Engaged Aerial Targets: 19
T/R Modules: 1,000
Tracked Aerial Targets: 23
Tracked Surface Targets: 1
Dimensions
Diameter: 700 millimeter (27.6 inch)
Performance
Max Detection Range: 150 kilometer (81 nautical mile)
CEP: Circular Error Probable
Meters (m)   Kilometers (km)   Nautic Miles (nm)   Inch (in)   Yard (yd)   Foot (ft)   Millimeter (mm)
Pound (lb)   Kilogram (kg)   kN (KiloNewton)   Ton (t)
Meters per Second (mps)   Kilometers per Hour (kph)   Knot (kt)   Miles per Hour (mph)
Liter (l)   Galon (gl)
Year (yr)   Minutes (min)   Second (sec)
Shaft-Horse-Power (shp)

AN/APG-81 News

There are 6 news between
24 May 2004 and 26 Jun 2012
Tuesday, June 26, 2012F-35 AAQ-37 Sensor and APG-81 Radar Demonstrate Ability to Detect, Track, Target Ballistic Missiles
Wednesday, April 7, 2010First F-35 Lightning II with Mission Systems Enters Flight Test
Friday, July 3, 2009APG-81 Radar Validated during Northern Edge 2009
Friday, January 23, 2009First Avionics-Equipped F-35 Rolls Out
Thursday, September 8, 2005F-35's Radar Conducts First Flight on BAC-1-11
Monday, May 24, 2004F-35 Engine and Radar Going On

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