Fighter & Attack

Fighter & Attack

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The APG-77 is a multimode pulse-doppler radar meeting the air dominance and precision ground attack requirements of the F-22 stealth dual-role fighter. It may be armed with six AMRAAM missiles or two AMRAAMs plus two 1,000 pound GBU-33 glide bombs, two sidewinder IR missiles, and one 20mm multi-barrel cannon-all of which are carried internally for low RCS. Four external stations are also available to carry additional weapons or fuel tanks. At present, very little can be said at an unclassified level about the radar other than that it employs an active ESA, that it incorporates extensive LPI features, and that its signal and data processing requirements are met by a common integrated processor (CIP). The active ESA provides the frequency agility, low radar cross-section, and wide bandwidth required for the fighter's air dominance mission.

Chapter Contents:

  • F-22 (APG-77)
  • F-16 C/D (APG-68)
  • F-18 C/D (APG-73)
  • F-4E (APG-76)

Inspec keywords: radar cross-sections; airborne radar; military radar; Doppler radar

Other keywords: GBU-33 glide bombs; RCS; common integrated processor; APG 77; active ESA; fuel tanks; AMRAAM missiles; radar cross section; F-22 stealth dual role fighter; precision ground attack requirements; weapons; frequency agility; data processing requirements; fighter air dominance mission; sidewinder IR missiles; signal processing requirements; multibarrel cannon; multimode pulse Doppler radar

Subjects: Radar equipment, systems and applications

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