Defence of coastal andsea frontiers by cover patrol, destroying, of single surface ships and vessels, landing and recovering of commandoes, mine laying, reconnaissance at the appointed areas and guidance of striking forces on enemy forces, electronic reconnaissance, evacuation of people and material values from the areas of local collisions, destroying of enemy coastal targets located both near the shoreline and at the distant areas.
|Displacement (normal)||245 m3|
|Continuous submerged range||260 nm|
|Maximum diving depth||200 m|
|Diesel generator||1 x 160 kW|
|Propolsion motor||1 x 250 kW|
|533 mm torpedoes, missiles||2|
|400 mm torpedoes||8|