Japanese submarine I-183
The Japanese submarine "I-183 (originally I-83") was a "Kaidai" type cruiser submarine of the KD7 sub-class built for the Imperial Japanese Navy (IJN) during the 1940s. She was sunk with all hands by an American submarine in mid-1944. Design and description. The submarines of the KD7 sub-class were medium-range attack submarines developed from the preceding KD6 sub-class. They displaced surfaced and submerged. The submarines were long, had a beam of and a draft of . The boats had a diving depth of and a complement of 86 officers and crewmen. For surface running, the  boats were powered by two diesel engines, each driving one propeller shaft. When submerged each propeller was driven by a electric motor. They could reach on the surface and underwater. On the surface, the KD7s had a range of at ; submerged, they had a range of at . The boats were armed with six internal torpedo tubes, all in the bow. They carried one reload for each tube; a total of a dozen torpedoes. They were originally intended to be armed with two twin-gun mounts for the Type 96 anti-aircraft gun, but a deck gun for combat on the  surface was substituted for one 25 mm mount during construction. Construction and career. Built by the Kawasaki Dockyard Co. at their shipyard in Kobe, the boat was laid down on 26 December 1941 as "I-83" and renamed "I-183" in 1942. She was launched on 21 January 1943 and completed on 3 October 1943. The boat was sunk with the loss of all 92 officers and crewmen aboard by the submarine on 29 April 1944 south of the Bungo Strait at . "I-183" was stricken from the Navy List on 10 August 1944.