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 | 
  | 
| Range | |
| 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
    
- "Dutch Submarines: The O 2 submarine class". dutchsubmarines.com. 2012. Retrieved 19 July 2013.
 - "Dutch Submarines: The submarine O 4". dutchsubmarines.com. 2012. Retrieved 19 July 2013.
 
External links
    
    
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