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''Velebit'' (pennant number P-01) was a modified ''Una''-class midget submarine and the only submarine to see service with the Croatian Navy. It was built for the Yugoslav Navy during the 1980s where it was named ''Soča''. At the outbreak of the Croatian War of Independence ''Soča'' was being overhauled in the Brodogradilište specijalnih objekata division of Brodosplit shipyard in Split, Croatia. Although stripped of all equipment, it was preserved from the retreating Yugoslav forces by the shipyard workers. With modifications that were aimed at improving the ships endurance by including a diesel generator, it was launched as ''Velebit'' (P-01) in 1996. A few years later it was out of service because of the need to acquire a new set of batteries, which in turn, never happened. After unsuccessful attempts of selling it to a foreign buyer, it was offered to various museums in Croatia with a final destination still pending. == Design and construction == (詳細はBrodosplit shipyard in Split, Croatia, as the fourth boat in its class. It measures in length, has a draft of , a beam and displaces when surfaced or when submerged. It was constructed as a single hull design with the internal compartment divided into three sections: forward (command/steering) position, exit chamber and the propulsion section in the back. During underwater operations two battery groups with a total of 256 cells power two 20 kW Končar electric motors mounted on a single shaft that spins a five blade propeller. Surface propulsion and battery recharging is provided by a single diesel generator. Maximum speed is underwater and surfaced. The boat's range is with a speed of . It has an underwater endurance of up to 6–7 days which is an improvement compared to 96 hours of other ''Una''-class boats. Maximum diving depth is . Because the class was designed with reconnaissance, small scale minelaying and special operations in mind, it does not possess any offensive weapons such as torpedos. The submarine was to use its small dimensions to easily maneuver in the relatively shallow waters of the Adriatic sea, staying undetected and transporting up to six special forces personnel who had 6–12 limpet mines and four AIM-M70 (M70/1) bottom mines or four R-1 submersibles at their disposal. ''Velebit'' had a crew of four. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Croatian submarine Velebit (P-01)」の詳細全文を読む スポンサード リンク
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