With as subclass project 183 motor torpedo boat. Succeeded by the Osa-class. Totally were 112 units built which served in the navies of the Soviet Union, Algeria, Cuba, Ethiopia, Guinea, Egypt, Indonesia, Iraqi, North Korea, China, Syria and Vietnam. Displacement 61,5 (standard)-66,5 (full load) tons and as dimensions 25,4 x 6,24 x 1,24 (draught) x 2 (draft)metres. The machinery consisted of 3 shaft M-50F diesels delivering 4.800 hp allowing a speed of 44 knots and with a speed of 32 knots a range of 600 nautical miles/ The crew numbered 3 officers and 14 sailors. The armament consisted of 1x2-2,5cm 2M-3M gun for which 1.000 round were taken with her and 1 KT-67 missile launchers each loaded with 1 P-15 Termit/SS-N Styx anti ship missile.
