Norwegian B class submarine

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The B class submarines B-2, B-3 and B-4 at quay in Norway
Class overview
Builders: the Naval shipyard at Horten
Operators: Royal Norwegian Navy Ensign Royal Norwegian Navy
Preceded by: Norwegian A class submarine
Succeeded by: U class submarine
In service: - 1946
In commission: 1 February 1923
Completed: HNoMS B-1, HNoMS B-2
HNoMS B-3, HNoMS B-4
HNoMS B-5, HNoMS B-6
Active: 6
Lost: 1
General characteristics
Displacement: 365 tons surfaced
545 tons submerged
Length: 51 m
Beam: 5.3 m
Draught: 3.5 m
Propulsion: 2 x Sulzer 900 shp diesel engines/2 x 700 shp electric engines
Speed: maximum 15 knots (27.8 km/h) surfaced
maximum 8.9 knots (16.5 km/h) dived
Range: 2,900 nautical miles (5,370.8 km) at 9 knots (16.5 km/h) surfaced
150 nautical miles (277.8 km) submerged at 3 knots (5.5 km/h)
Complement: 23(? officers and ? ratings)
Armament: Four 45 cm (17,7 inch) torpedo tubes
1 × 76 mm gun


The B class submarines were a class of six vessels of the US Holland type built on licence at Horten naval shipyard in Norway from 1922 to 1929 and deployed by the Royal Norwegian Navy.

[edit] Boats

  • B-1 (1922-1946) Escaped to the United Kingdom 8 June 1940.
  • B-2 (1923-1940) Captured by the Germans at Fiskå on 11 April.
  • B-3 (1923-1940) Scuttled in Alsvåg, Vesterålen 10 June 1940 by its own crew to prevent capture by the Germans. Ordered to escape to the UK, but prevented by battery explosion.
  • B-4 (1923-1940) Captured by the Germans at Filtvet on 10 April.
  • B-5 (1929-1940) Captured by the Germans at Fiskå on 11 April.
  • B-6 (1929-1940) Surrendered to German troops on 18 May under threat of bombing of Florø city.

[edit] Source

  • Abelsen, Frank: Norwegian naval ships 1939-1945, Sem & Stenersen AS, Oslo 1986 ISBN 82-7046-050-8 (English)/(Norwegian)

[edit] See also

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