The O 12-class submarine consisted of four submarines built for the Royal Netherlands Navy. The ships, with a diving depth of , were used for patrols in the Dutch home waters. The class comprised O 12, O 13, O 14 and O 15. O 12 entered German service in 1943 as UD-2.
Construction The ships were built by two shipyards. O 12, O 13 and O 14 were built by Koninklijke Maatschappij De Schelde in Vlissingen and O 15 in Rotterdam at Fijenoord shipyard.
Name Laid down Launched Commissioned Decommissioned 20 October 1928 8 November 1930 Dutch Navy: 20 July 1931 German Navy: 30 January 1943 6 July 1945 (scuttled) 1 December 1928 18 April 1931 1 October 1931 13 June 1940 29 December 1928 3 October 1931 4 March 1932 26 June 1943 3 March 1930 27 May 1931 28 July 1932 1 September 1945
References
Bibliography
External links Description of class