1945-1991: Cold War world Wiki

Westinghouse AN/APG-66 fire-control radar. It is an exhibit in the National Electronics Museum, 1745 West Nursery Road, Linthicum, Maryland, USA. All items in this museum are unclassified. The museum permitted photography without restriction.

The device[]

The American Westinghouse AN/APG-66 fire-control radar is a military radar that is in common use world wide.

A fire-control radar (FCR) is a radar that is designed specifically to provide information (mainly target azimuth, elevation, range and velocity) to weapons' fire-control systems. 


  • Frequency: 6.2 to 10.9 GHz
  • Search cone: 120 degrees × 120 degrees
  • Azimuth angular coverage: ±10 degrees / ± 30 degrees / ± 60 degrees
  • Weight: 98 to 135 kg depending on configuration
  • Volume: 0.08 m³ to 0.102 m³ depending on configuration

In line-replaceable units[]

The radar system consists of the following in line-replaceable units:

  • Radio antenna
  • Transmitter unit
  • Low-power radio frequency unit
  • Digital signal processor
  • Radar computer

Used in[]

  1. All F-16 Fighting Falcons.
  2. U.S. Customs and Border Protection's C-550 Cessna Citation,
  3. US Navy P-3 Orion, and Piper PA-42 Cheyenne


  1. https://www.wikiwand.com/en/AN/APG-66
  2. https://en.wikipedia.org/wiki/AN/APG-66
  3. https://en.wikipedia.org/wiki/Fire-control_radar

Also see[]