HNLMS Jacob van Heemskerck (1906)

Jacob van Heemskerck
History
Netherlands
NameJacob van Heemskerck
NamesakeJacob van Heemskerck
BuilderRijkswerf, Amsterdam
Laid down1905
Launched22 September 1906
Commissioned22 April 1908
Recommissioned23 February 1948
Decommissioned13 September 1974
Renamed
  • Batterijschip IJmuiden (1939)
  • Neptunus (1948)
Reclassified
  • Floating battery ship, 1939
  • Accommodation ship, 1948
Stricken4 October 1974
FateScrapped
Nazi Germany
NameUndine
NamesakeUndine
Acquired16 July 1940
Commissioned1943
ReclassifiedAnti-aircraft battery, 1943
FateReturned to the Netherlands postwar
General characteristics
TypeUnique coastal defence ship
Displacement4,920  tons
Length98 m (321 ft 6 in)
Beam15.19 m (49 ft 10 in)
Draught5.69 m (18 ft 8 in)
Installed power6,400 hp (4,800 kW)
Propulsion2 shafts, reciprocating engines
Speed16.5 knots (30.6 km/h)
Complement340
Sensors and
processing systems
Armament
Armour
  • 6 in (15 cm) belt
  • 8 in (20 cm) barbette
  • 8 in (20 cm) turret

HNLMS Jacob van Heemskerck (Dutch: Hr.Ms. Jacob van Heemskerck) was a unique coastal defence ship[a] of the Royal Netherlands Navy built by the Rijkswerf in Amsterdam. She was among the ships send to patrol the Venezuelan coast during the Second Castro Crisis. After her active career she was rebuilt into a stationary battery ship and recommissioned. During World War II she was captured by the invading German forces and converted in an anti-aircraft battery. After the war the ship was recovered and given back to the Netherlands, to be converted to an accommodation ship.
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