Ships
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Johan Maurits van Nassau

HNLMS Johan Maurits van Nassau

Sunk

Royal Netherlands Navy

TypeGunboat
WarSecond World War
Main guns3 × 5.9″ guns

Gunboat built for the colonies. Shelled German batteries at the Afsluitdijk in May 1940, and was sunk by German bombers off Callantsoog on 14 May while escaping to Britain.

Dutch Sloop Johan Maurits van Nassau at Gibraltar during the Spanish Civil War Photo: Ministerie van Defensie, Public domain · Wikimedia Commons

Armament and specifications

Armament

  • 3 × 150 mm (5.9 in) No. 7 guns
  • 2 × 40 mm (1.57 in) anti-aircraft guns
  • 4 × .50 in (12.7 mm) machine guns
  • 3 × .303 in (7.70 mm) machine guns

Armour

  • Armour deck: 25 mm (0.98 in)
  • Conning tower: 25 mm (0.98 in)
  • Turrets: 25 to 40 mm (0.98 to 1.57 in)
BuilderKoninklijke Maatschappij De Schelde, Vlissingen
Laid down17 July 1931
Launched20 August 1932
Commissioned5 April 1933
Displacement1,457 long tons (1,480 t) (standard) 1,793 long tons (1,822 t) (full load)
Length78.7 m (258 ft 2 in)
Speed15 kn (28 km/h; 17 mph)
Complement124

As built, from the ship's Wikipedia article. Figures there may cover later refits too.

Career

Launched

20 August 1932

14 May 1940

17 killed