APG-66

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The AN/APG-66 radar is a solid state medium range (up to 150 km) Pulse-doppler radar designed by Westinghouse (now Northrop Grumman) for use in the F-16 Fighting Falcon. The system consists of the following line replaceable units:

• Antenna
• Transmitter
• Low-power radio frequency
• Digital signal processor
• Radar computer

[edit] Nomenclature

Per the Joint Electronics Type Designation System (JETDS), the AN/APG-66 nomenclature is derived thusly:

• "AN/" tag indicates the nomeclature is derived from the JETDS
• "A" indicating a system intended for use in manned aircraft
• "P" indicating the system is a radar
• "G" indicating a fire control radar
• "66" as an arbitrary numerical designator

[edit] Specifications

• 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

[edit] Variants

• APG-66(T47) - installed in Cessna OT-47B.
• APG-66(V)2 - upgrade of base radar. New signal processor, higher output power, improved reliability. Range in clutter/jamming environment increased to 83 km.
  • ARG-1 AN/APG-66(V)2 variant of the APG-66 designed for the Argentine Air Force A-4AR Fightinghawk
• APG-66(V)3 - as APG-66(V)2 but with CW illumination capability, possibly for export to Taiwan.
• APG-66(V)X - improved version of the APG-66(V)2/3 radar with greater detection range.
• APG-66H - installed on BAE Hawk 200 aircraft, smaller antenna, giving slightly reduced capabilities.
• APG-66J - configured for the Japanese F-4EJ upgrade program.
• APG-66NT - installed on Navy T-39N aircraft.
• APG-66NZ - installed under the Project KAHU on New Zealands A-4 Skyhawk aircraft.
• APG-66SR
• APG-66SS
• APG-66T - multi-target track while scan variant.
• APQ-164 - designed for the B-1 Lancer bomber, with a passive electronically scanned array.