Monday, 6 July, 2009

Engagement and Fire Control Radars of China

CPMIEC HT-233 / HQ-9/10 Phased Array Radar
This is the Chinese derivative of the Russian 30N6E1 Tomb Stone used to detect and track targets, and control the launch of the S-300PMU1 / SA-20 Gargoyle air defence missile. In the Chinese case, however, the HT-233 is also associated with the HQ-10, HQ-15, HQ-9 / FD-2000 or HQ-9 / FT-2000 surface-to-air Anti Radiation Missile. The latter was a combined Israeli/Chinese missile designed to take out the stand-off jammers which threaten SAM target designation radars. The parameter set is likely to be similar to that of 30N6E1 which it emulates.

It is reported that the PLAAF air defence forces based in Fujian Province near the Taiwan Strait, are equipped with the FT-2000 and Russian-made S-300PMU1 SAMs acquired between 1991 and 1998.

An FT-2000 battalion can function alone where it would seek its targets with ESM systems, but more commonly it is anticipated to be part of an S-300 detachment.

Little is known about the radar other than it may function in G-band, probably between 5.2 and 5.9 GHz a sub-band for which production components are readily available. From recent descriptions, the antenna would most likely appear to be a passive phased array employing some 3,000 ferrite phase shifters (the 30N6 uses ~10,000 elements). It has mechanical scan in azimuth and electronic beam steering in azimuth/elevation, like the 30N6E1, up to 65° off aperture boresight, and can track up to 50 targets simultaneously.

It is possibly that a variant of this radar, referred to by NATO as TOMB STONE, is installed in Type 051C LANZHOU class destroyers. S-300PMU1 / SA-20 and FT-2000 systems are deployed around Beijing and at Longtian, near Fuzhou, facing Taiwan. They are also deployed near the coastal cities of Xiamen in Fujian Province and Shantou in Guangdong province.

The radar is deployed primarily on the WS-2400 series 8 x 8 chassis, based on the Russian MAZ-543 vehicle.

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