Armed with 24 SS-N shipwreck missiles, SS-N-15 fired via 21" tubes and SS-N-16 fired via 25'6" tubes, 4-21" and 4-25'6'' torpedo tubes. Displacement 10.700 tons surfaced and 13.500 tons submerged with as dimensions 154'0" x 18'2"x 9'0'', Speed 19 knots surfaced and 28 knots submerged.
