Armament
The primary ASW weapon for combating submarines were SET-40 torpedoes. The boats has four 406-mm torpedo tubes installed on the deck in the aft part of the boats, two on the port side and two on starboard side.
Behind the torpedo tubes on the aft deck, in the port and starboard sides, are each one Abrollgestell depth charge launcher. Twelve depth charges, six for each launcher can be carried.
As the boats of the Project 205 Osa class, the Project 205P Stenka boats has two radar-controlled AK-230 30-mm twin guns, one in the bow, the other at the rear.
One of the boats was tested with a 57-mm gun AK-725 on the bow and received a modified project number - 205PE.
Read more about this topic: Stenka Class Patrol Boat