AN/SPG-51 External links Navigation menuMK-74 Guided Missile Fire Control System (GMFCS)AN/SPG-51D Missile...


Sea radarsMilitary electronics of the United StatesUnited States Navy stubs


fire-control radarRIM-24 TartarRIM-66 StandardSurface-to-airmissile guidanceVirginia-classcruisersCalifornia-classcruisersKidd-classdestroyersItalian NavyAudace classDurand de la Penne classImpavido-classdestroyersCassard classRoyal Netherlands NavyTromp classSpanishBaleares classCharles F. Adams-classdestroyersGermanLütjens classPerth classRoyal Australian Navymonopulse radarPulse-Doppler radarcontinuous-wave radarbistatic radarconical scanning





















AN/SPG-51

USS Richard E Byrd (DDG 23) aft.jpg
The superstructure of the USS Richard E. Byrd (DDG-23) showing the ship's radars, 1983. There are two AN/SPG-51 directors shown directly in the center of the image.

Country of origin United States
Type
Pulse-Doppler radar, Missile fire-control
Precision Fire control quality three-dimensional data

The AN/SPG-51 is an American tracking / illumination fire-control radar for RIM-24 Tartar and RIM-66 Standard missiles. It is used for target tracking and Surface-to-air missile guidance on Virginia-class cruisers, California-class cruisers, and Kidd-class destroyers.


The Italian Navy used it aboard their Audace class, Durand de la Penne class and Impavido-class destroyers. The French Cassard class, Royal Netherlands Navy Tromp class and Spanish Baleares class frigates also use this system.


Older variants were used on Charles F. Adams-class destroyers, as well as the related German Lütjens class and Perth class used by the Royal Australian Navy.


Aircraft tracking is based on monopulse radar utilizing Pulse-Doppler radar signal processing in MK 74 MOD 14 and MK 74 MOD 15. The MK 74 MOD 15 configuration includes continuous-wave radar tracking in addition to pulse-Doppler tracking. It provides illumination for bistatic radar operation associated with missile guidance in all configurations. Older systems rely on conical scanning rather than monopulse.






  • AN/SPG-51 radars of a Cassard class frigate






External links



  • MK-74 Guided Missile Fire Control System (GMFCS)

  • AN/SPG-51D Missile Director Radar










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