Crane ship is designed for lifting and placing roadstead equipment, attaching and detaching floating docks and also for transporting a wide range of cargoes. Project 141 (NATO reporting name: Kashtan class) is a large mooring/buoy tender of the Russian Navy. The Kashtan class tenders were developed from the Sura class, and are equipped with a 100-ton heavy lift gantry at the stern.

The ship has 98m length overall, beam of 18m, and displacement of 4200 tons at standard load and 6200 tons at full load. The ship has diesel-electric propulsion system. It includes a diesel engine connected to an electrical generator, creating electricity that powers electric motors, five 775 kW diesel generators and three 400 kW diesel generators. The ship is equipped with two 1500 hp electric motors driving two fixed pitch propellers. The vessel is also equipped with one bow thruster.

The vessel has a speed of 13.5 knots, a range of 2000 nmi at 11 knots and an endurance of 45 days. The vessels are also equipped with MR-201 navigation radar.

Crane Ship KIL-158 laid down at the Neptun Werft Shipyard, Rostock, East Germany (yard No.144/1470), launched 29 April 1988, commissioned 30 June 1989 and was assigned to the Black Sea Fleet.

Now in service.