O 12-class submarine
# O 12-class submarine

The O 12-class submarine consisted of four submarines built for the Royal Netherlands Navy. The ships, with a diving depth of 60 metres (200 ft), 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 |
| - | - | - | - | - |
| O 12 | 20 October 1928 | 8 November 1930 | Dutch Navy: 20 July 1931 German Navy: 30 January 1943 | 6 July 1945 (scuttled) |
| O 13 | 1 December 1928 | 18 April 1931 | 1 October 1931 | 13 June 1940 |
| O 14 | 29 December 1928 | 3 October 1931 | 4 March 1932 | 26 June 1943 |
| O 15 | 3 March 1930 | 27 May 1931 | 28 July 1932 | 1 September 1945 |
