Hero - (P-821)
Submarine “Heroj” (English: “Hero”) is a diesel-electric submarine of Yugoslav navy.
First of three ships of project B-71 developed in mid-60’s in ex-Yugoslavia for Yugoslav navy.
Construction contract signed on 16th November 1963
Keel laid on 18 October 1965
Launched on 27th August 1967 by Admiral Mate Jerkovic
Commissioned 10 September 1969 by her first CO Corvette Captain Tomislaw Draskovic, after few months of sea trials and testing with hull number P-821
Other two ships of the same class were enlisted in 1969 (submarine “Junak” P-822) and 1970 (submarine “Uskok” P-823)
Tactical and technical data:
Length: 50,4 meters
Width: 4,7 meters
Height: 9,75 meters
Crew: 28 men
Full displacement: 704,6 tons
Capacity of main ballast tanks: 88 tons
Working diving depth: 150 meters
Maximum diving depth: 210 meters
Hull deformation depth: 390 meters
Speed: surface/underwater: 10/15,3 kn
Endurance: 6 days
Armament: 4 torpedo tubes 533mm caliber, 7 torpedoes or 10 magnetic and acoustic mines.
Torpedo type 53 VA, 53 SET
Propulsion: Electric engine, manufacturer “Rade Končar” factory
Diesel engines: 2x Daimler Benz – Mercedes 600hp
Generators: “Rade Končar”
Predecessors: “Sutjeska” class submarines
Successors: “Sava” class submarines
Open for visitors as a museum vessel: 3rd of July 2013.