Military Wiki
Hr. Ms. O 12.jpg
HNLMS O 12 after being launched
Name: HNLMS O 12
Builder: Koninklijke Maatschappij De Schelde, Vlissingen
Laid down: October 20, 1928
Launched: November 8, 1930
Commissioned: July 20, 1931
Decommissioned: May 14, 1940
Out of service: January 22, 1954
General characteristics
Type: Submarine
Displacement: 610 tons surfaced
754 tons submerged
Length: 60.4 m (198 ft 2 in)
Beam: 6.8 m (22 ft 4 in)
Draught: 3.6 m (11 ft 10 in)
Propulsion: 2 × 900 bhp (671 kW) diesel engines
2 × 310 bhp (231 kW) electric motors
Speed: 16 kn (30 km/h; 18 mph) surfaced
8 kn (15 km/h; 9.2 mph) submerged
Range: 10,000 nmi (19,000 km; 12,000 mi) at 12 kn (22 km/h; 14 mph) on the surface
28 nmi (52 km; 32 mi) at 8.5 kn (15.7 km/h; 9.8 mph) submerged
Complement: 29-31
Armament: 5 x 53.5 cm torpedo tubes
2 x 44 mm cannon[1]
1 x 12,7 mm machine gun

O 12 was a O 12-class submarine of the Royal Netherlands Navy. Built at Koninklijke Maatschappij De Schelde in Vlissingen,[1] it was launched in 1930 but was unable to take part in military action during World War II. After being scuttled by the Dutch Navy, it was raised by the German Navy and taken into service as U-D2, and then scuttled again.[2]

Before World War II

In 1935, O 12, with the O 13, O 15, Hertog Hendrik, Van Ghent, Kortenaer and Z 5, sailed the North Sea making stops at Göteborg and Oslo. Two years later, O 12 sailed with sister ship the O 14 to Surinam and Curaçao.[2]

During World War II

During the German attack on the Netherlands in 1940, O 12 was in the naval wharf of Willemsoord, Den Helder for periodic maintenance. Unable to make the trip across the North Sea to England, the ship was scuttled.[2]

The German occupying forces had O 12 raised and sent it to the Wilton-Fijenoord wharf in Rotterdam for repairs. On January 30, 1943, it was taken into service by the German Navy, the Kriegsmarine, as the U-D2. On July 6, 1944, it was taken out of service and moved to Kiel, where it was scuttled in the harbor just before the end of the war. Afterwards, O 12 was raised and demolished.[2]


Coordinates: 8°40′N 111°40′E / 8.667°N 111.667°E / 8.667; 111.667

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