The O 2-class submarine consisted of four submarines built by Koninklijke Maatschappij De Schelde in Flushing for the Royal Netherlands Navy. Used for patrols in the Dutch home waters. The class comprised O 2, O 3, O 4 and O 5. Its diving depth was 25m (82feet); during trials with no crew on board a depth of 40m (130feet) was reached.
| Name | Laid down | Launched | Commissioned | Decommissioned |
|---|---|---|---|---|
| 11 October 1909 | 30 Januari 1911 | 1 December 1911 | 1930 | |
| 31 December 1910 | 30 July 1912 | 11 February 1913 | 1932 | |
| 15 June 1912 | 5 August 1913 | 17 June 1914 | 1935 | |
| 15 June 1912 | 2 October 1913 | 20 August 1914 | 1935 | |