HNLMS O 4

O 4 was an O 2 class patrol submarine of the Royal Netherlands Navy. The ship was built by De Schelde shipyard in Flushing, Netherlands.

History
Name: O 4
Ordered: 18 December 1911
Builder: De Schelde
Laid down: 15 June 1912
Launched: 5 August 1913
Commissioned: 17 June 1914
Decommissioned: 1935
In service: 1914–1935
General characteristics [1]
Class and type: O 2-class submarine
Type: Submarine
Displacement: 134 tons - 149 tons
Length: 32.13 m (105 ft 5 in)
Beam: 3.3 m (10 ft 10 in)
Draught: 2.73 m (8 ft 11 in)
Propulsion:
Speed:
  • 11 kn (20 km/h; 13 mph) surfaced
  • 8 kn (15 km/h; 9.2 mph) submerged
Range:
  • 500 nmi (930 km; 580 mi) at 10 kn (19 km/h; 12 mph) on the surface
  • 35 nmi (65 km; 40 mi) at 7 kn (13 km/h; 8.1 mph) submerged
Complement: 10
Armament: 2 × 18 inch bow torpedo tubes

Service history

The submarine was ordered on 18 December 1911. On 15 June 1912 the O 4 was laid down in Flushing at the shipyard of De Schelde. The launch took place on 5 August 1913.[2]

A passive sonar and two retractable periscopes were installed on the ship making it the first submarine in the Dutch navy having this equipment.[2]

On 17 June 1914 the ship was commissioned in the navy. During World War I the ship was based in Flushing. Queen Wilhelmina visited the ship on 22 December 1914.[2]

In 1935 the O 4 was decommissioned.[2]

References
  1. "Dutch Submarines: The O 2 submarine class". dutchsubmarines.com. 2012. Retrieved 19 July 2013.
  2. "Dutch Submarines: The submarine O 4". dutchsubmarines.com. 2012. Retrieved 19 July 2013.
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