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.

HNLMS O 12
Class overview
NameO 12
Builders
Operators Royal Netherlands Navy
Preceded byO 9 class
Succeeded byO 16
Built1928–1932
In commission1931–1945
Completed4
General characteristics
TypeSubmarine
Displacement
  • 610 tons surfaced
  • 754 tons submerged
Length60.42 m (198 ft 3 in)
Beam6.83 m (22 ft 5 in)
Draught3.6 m (11 ft 10 in)
Propulsion
Speed
  • 16 kn (30 km/h; 18 mph) surfaced
  • 8 kn (15 km/h; 9.2 mph) submerged
Range
  • 3,500 nmi (6,500 km; 4,000 mi) at 8 kn (15 km/h; 9.2 mph) or 10 kn (19 km/h; 12 mph) on the surface
  • 26 nmi (48 km; 30 mi) at 8 kn (15 km/h; 9.2 mph) submerged
Complement29–31
Armament

Construction edit

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

References edit

Bibliography edit

  • Jalhay, P.C.; Wijn, J.J.A. (1997). Ik nader ongezien! De onderzeeboten van de Koninklijke Marine [I'm Approaching Unseen! The submarines of the Royal Netherlands Navy] (in Dutch). Amsterdam: De Bataafsche Leeuw. ISBN 978-90-6707-462-9.

External links edit