Hydra-class minelayer

	HNLMSHydra
Class overview
Name	Hydraclass
Builders	Rijkswerf,Amsterdam
Operators	Royal Netherlands Navy
Built	1910–1912
In commission	1911–1964
Completed	2
Lost	1
General characteristics
Type	Minelayer
Displacement	593 t (584 long tons) standard; 657 t (647 long tons) full;
Length	49.7 m (163 ft 1 in)
Propulsion	800 hp (600 kW) engine
Speed	11knots(20 km/h; 13 mph)
Complement	59
Armament	Hydra:; 3 × 75 mm (3 in) guns (3×1); 2 ×.50 calibre machine guns; 70naval mines; Medusa:; 2 × 75 mm (3 in) HA/LA semi-automatic guns; 1 × 75 mm (3 in) L/55 No. 2 semi-automatic gun; 2 ×.50 calibre machine guns; 1 ×.25 calibre machine gun; 73 naval mines;

TheHydraclasswere twominelayersof theRoyal Netherlands Navy,built to serve in theDutch East Indiesand Dutch territorial waters in Europe. The construction of the ships began in 1910 and was completed in 1912. The ships were built by the navy yard (Rijkswerf) inAmsterdam.Both ships were still in service during theSecond World War.OnlyMedusaescaped to the United Kingdom, however.Hydrawas lost after the ship was fired on by an anti-tank weapon. The minelayer sank in the waters offZeeland.

Ships in class

HNLMSHydra(1912)(1912–1940)
HNLMSMedusa(1911)(1911–1964)

Sources

netherlandsnavy.nlHydra-class minelayers