Fregat MAE-4k  
Initial Operational Capability (IOC):
Total Production: ?
Origin: Russia
Corporations: Agat Concern
Parent System: Fregat
Initial Operational Capability (IOC):
Total Production: ?
Family Members: Fregat M2EM, Fregat MAE, Fregat MAE-1, Fregat MAE-2, Fregat MAE-3 and Fregat MAE-5
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Description: The Fregat, Top Plate and Top Steer NATO codename, is a family of 3D, 360-degree/full-coverage ship-based radar systems developed for the Soviet Union Navy and designed to provide surveillance and detection of surface and airborne targets and to deliver target designation data to weapon systems. The Fregat radar system can operate effectively in intense jamming and countermeasures environments. Moreover, the radar system also provides identification friend or foe (IFF). The Fregat radar system has been provided to aircraft carrier, amphibious assault, frigates, cruisers, destroyers and special purpose class ships commissioned by the Russian Navy such as Kuznetsov, Neustrashimy, Krivak III, Kirov, Slava, Udaloy and Sovremenny.

The Fregat family of radar systems features automatic target tracking and built-in self-diagnosis system. The radar system is made of line replaceable units that can be removed with ease in the event of a malfunction. The radars developed under Fregat family are tailored for a variety of ships depending on their displacement and purpose. The main differences among them are: air surveillance range, number of channels and frequency bands, and weight. Typically, Fregat radars operate in the E-band excepting the lightest Fregat MAE-4k which operates in the H-band. All variants can detect a surface ship at the line-of-sight while the maximum detection range for an airborne target with the radar cross section of a non-stealth fighter aircraft varies from 58 to 230 kilometers.

The Fregat MAE-4k radar system is intended for small displacement ships and is the lightest and compact version of the Fregat family. It is an H-band single-channel radar with a maximum instrumented range of 150 kilometers and a maximum vertical detection range of 20 km. Fregat MAE-4k can detect a fighter aircraft at a maximum range of 58 km or a missile at a maximum range of 17 km. The radar's equipment and the antenna station weigh approximately 3-t (2.6-t and 0.39-t respectively). The minimum operational range of the radar system is 1,500 meters compared to 2,000 meters for the remaining Fregat radars and only requires three minutes to become fully function after switch on compared to five minutes in other variants. Fregat MAE-4k can track as many as 40 targets simultaneously.

Fregat MAE-4k Applications

Fighting Ships Project 21956 Protection Systems Rif-M

Fregat MAE-4k Specifications

Number of Components: 8
Number of Radar Channels: 1
Tracked Aerial Targets: 40
Max Elevation: 40 �
Max Detection Range: 58 kilometer (31.3 nautical mile)
Max Detection Range in Altitude: 20 kilometer (65,617 foot)
Max Instrumented Range: 150 kilometer
Measurement Accuracy: 120 meter
Min Detection Range: 1.50 kilometer
Small Air Target Detection Range: 17 kilometer
Power Consumption: 30 kW
Max Antenna Rotation Speed: 30 roundperminute
Max Scan Rate: 2 second
SetUp Time: 3 minute (0.00 day)
Weight: 2.99 ton (6,592 pound)
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)

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