Air-Launched Weapons

Russia's KAB-250 guided bomb to complete trials this year

08 October 2015

The KAB-250LG-E laser-guided PGM on display at the Russian Defence Ministry Innovation Day 2015 Source: Nikolai Novichkov

Region JSC's KAB-250 precision-guided munition (PGM) will soon complete trials, Igor Krylov, director general of Region JSC (a subsidiary of Tactical Missiles Corporation, KTRV), told IHS Jane's at the Russian Defence Ministry Innovation Day 2015.

Krylov also stated that there are two versions of the 250 kg Korrektiruyemaya Aviatsionnaya Bomba (KAB): a laser-guided version (the KAB-250LG-E) and the GLONASS/INS-guided KAB-250S-E. Its circular error probable (CEP) for ground targets is 3-5 m.

The KAB-250 is a follow-on to the larger KAB-500 PGM, which made its combat debut in September in Syria.

"The bomb is in trials on the Sukhoi Su-34 [Fullback], with the trials to be completed late this year," said Krylov.

The KAB-250LG will enter the weapons suite of the PAK FA fifth-generation fighter in 2016, he noted. The KAB-250LG-E can be employed both by 4/4+ generation fighters from external hardpoints or by the PAK FA in its internal weapons bays, according to Krylov.

According to Krylov, the KAB-250 was developed in response to the development of the Small Diameter Bomb (SDB) by the United States to equip its F-22 Raptor and F-35 Lightning II fifth-generation fighters.

The KAB-250 has a fragmentation warhead designed to destroy lightly vulnerable materiel, thin-skinned vehicles, and other enemy installations. The bomb can be dropped individually or in salvoes. The aircraft carrying the KAB-250LG-Es must be fitted with a laser illumination system or the target can be illuminated by a forward air controller.

The KAB-250LG-E's total weight is 256 kg, with a warhead of 165 kg and explosive weighing 96 kg.

The bomb is 3.2 m long, with a diameter of 255 mm and a wingspan of 550 mm. It has a complex, compact tail design and is fitted with four long-chord, short-span wings to increase its glide range. Drop altitude is 1-10 km, aircraft drop speed is 200-350 m/s.

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