Torpedo Cutter), the Project 183 boats were designed as simple fast attack craft suitable for cheap manufacture and easy maintenance.

Intended as a successor to the Project 183 "Bolshevik" torpedo boats, development of the new class started in 1956.

Propulsion is based on three M-503A diesel engines putting out 4,000 horsepower (3,000 kW) each, mounted on three shafts.

The 533 millimetres (21 in) torpedoes were ejected by a powder charge and, depending on version, had a rudimentary homing ability or were straight run only.

[4] Defensive armament is made of two AK-230 CIWS located on the bow and the stern, guided by the MR-104 Rys (NATO designation: "Drum Tilt") radar with a maximum tracking range of 12.31 nmi (22.80 km; 14.17 mi).