The Project 10750 Sapfir (Lida class by the NATO classification) is a class of small minesweeper of the Soviet and Russian navies, which was developed to search for sea mines in port entrances, ports and rivers. Ten vessels were built by the Soviet Union and later by Russia from 1986 for the Russian Navy.

The hulls of minesweeper are made of fiberglass, have a double bottom and are divided into nine watertight compartments. To search for underwater contacts, a dome with a Kabarga-A1 sonar is built into the hull. On the aft of the ship there is a working platform on which a 5.3-tonne crane is mounted, with which the search robot and minesweeping gear can be brought in and out.

The boats are armed with a 30 mm turret AK-306 on the forecastle. In addition, eight Igla-1 anti-aircraft missiles can be used against flying targets. Four sea mines along with KIU-1 Luch or KIU-2M Anakonda mine searcher-and-destroyer or GKT-3-MO contact sweep, AT-6 acoustic sweep or SEMT-1 electromagnetic sweep, AT-6 acoustic sweep or 2x200 meters of the detonation cord can be carried.

Inshore Minesweeper RT-233 laid down on 20 October 1988 at the Sredne-Nevsky Shipyard, Pontonny (yard №357), launched on 08 July 1993, commissioned on 09 September 1994 and assigned to the Caspian Flotilia.

On July 2023 the ship transferred to the Black Sea Fleet, and on 2024 the ship transferred to the Caspian Flotilia again