The Project 1239 Sivuch small missile air cushion ship is primary intended for coast defense operations. Two ships in service now.

The Russian missile carrying hovercraft is meant to carry out missile attacks on ships. It is the largest military hovercraft unmatched anywhere in the world. With the displacement of 1000 tons, the craft has a cruising speed of 100 kilometers an hour. It is armed with 8 Mosquito missiles which can strike targets on the sea and on land. The hovercraft has 20 anti-aircraft missiles, an artillery complex, a machine-gun and an interference creating device. The hovercraft has an aluminium hull. Though it's a light craft, its seaworthiness is very high. The hovercraft can be on an autonomous voyage for 10 days. One refueling is enough for 2,500 miles. The complement is 68 men.

Missile Corvette MRK-17 laid down September 1991 at the Shipyard named after A.M.Gorky, Zelenodolsk (yard No.502), launched 12 December 1992, commissioned 26 February 2000. From 18 March 1992 - Samum. The ship was in the Baltic Fleet.

In 2002 was transferred to the Black Sea Fleet.

Now in service.