Dimensions 83,8 (over all) x 7,8 x 5,0m (draught), displacement 1200 tons standard and 1500 tons loaded, 6700 hp, crew numbered 60 men, speed 18 knots surface-5 knots submerged, on board were 12 torpedo’s for reloading, fitted out with 4-533mm bow tubes and 2-533mm stern tubes and 2x2 anti ship missiles (SSM) typ SS-N-3c-FK.
