HNLMS O 9

O 9 was an O 9-class patrol submarines of the Royal Netherlands Navy. The ship was built by Koninklijke Maatschappij De Schelde shipyard in Flushing.

O 9
History
Netherlands
Name: O 9
Builder: Koninklijke Maatschappij De Schelde, Flushing
Laid down: 1 December 1923 or 23 September 1922
Launched: 7 April 1925
Commissioned: 18 January 1926
Decommissioned: 1 December 1944
General characteristics [1]
Class and type: O 9-class submarine
Displacement:
  • 526 tons surfaced
  • 656 tons submerged
Length: 54.66 m (179 ft 4 in)
Beam: 5.7 m (18 ft 8 in)
Draught: 3.53 m (11 ft 7 in)
Propulsion:
Speed:
  • 12 kn (22 km/h; 14 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) on the surface
  • 25 nmi (46 km; 29 mi) at 8 kn (15 km/h; 9.2 mph) submerged
Complement: 29
Armament:

Service history

The submarine was ordered on 30 August 1921 and laid down in Flushing at the shipyard of Koninklijke Maatschappij De Schelde on 1 December 1923 or 23 September 1922. The launch took place on 7 April 1925. On 18 January 1926 the ship is commissioned in the Dutch navy.[2]

21 June 1926, O 9, together with O 11, Maarten Harpertszoon Tromp, Jacob van Heemskerck, Z 7 and Z 8, sailed from Den Helder to the Baltic Sea to visit the ports of Kiel, Göteborg and Trondheim.[2]

In 1929 O 9, O 10, Jacob van Heemskerck, Z 5, Z 6, made a trip to the Baltic Sea for exercises. The next year on 30 July 1930 O 9, O 10, Jacob van Heemskerck and Witte de With visited Antwerp.[2]

In 1931 O 9, O 10, O 8, Jacob van Heemskerck, Z 7 and Z 8, made again a trip to the Baltic Sea for exercises. She sailed for the Baltics again in 1936 with her sisters O 10, O 11 and Hertog Hendrik and Z 5. In 1939 O 9 together with her sisters O 10, O 11 were attached to the coastal division. They acted as the offensive part of Dutch coastal defense.[2]

From 9 to 11 May 1940 she and O 10 are on patrol off the coast of the Netherlands. During the patrol O 9 was attacked by German military airplanes. 12 May 1940 she, O 10 and a tugboat fled to the United Kingdom where they arrived on 15 May 1940.[2]

During the war she patrolled the English Channel and the Bay of Biscay. From August 1940 to March 1944 O 9 was attached to the 7th Training Flotilla in Rothesay and used as an ASDIC piggy boat. 1 December 1944 O 9 was decommissioned and September 1945 stricken. October 1946 she was sold for scrapping.[2]

References

  1. "Dutch Submarines: The O 9 submarine class". dutchsubmarines.com. 2012. Retrieved 3 September 2013.
  2. "Dutch Submarines: The submarine O 9". dutchsubmarines.com. 2012. Retrieved 3 September 2013.
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