Norwegian A-class submarine

HNoMS A-4
Class overview
Builders: Krupp Germania shipyard at Kiel, Germany
Operators:  Royal Norwegian Navy
Preceded by:
Succeeded by: Norwegian B-class submarine
In service: 16 April 1940
In commission: 2 March 1914
Building: 4
Planned: 4
Completed:
  • HNoMS A-2
  • HNoMS A-3
  • HNoMS A-4
  • SM UA
Active: 3
Lost: 3
General characteristics
Displacement:
Length: 46.7 m (153 ft 3 in)
Beam: 4.78 m (15 ft 8 in)
Draught: 2.8 m (9 ft 2 in)
Propulsion:
  • 2 × vertical 700 shp (520 kW) diesel engines
  • 2 × 380 shp (280 kW) electric engines
Speed:
  • 14.2 kn (26.3 km/h; 16.3 mph) ↑
  • 9 knots (17 km/h; 10 mph) ↓
Range:
  • 1,600 nmi (3,000 km; 1,800 mi) at 9 knots (17 km/h; 10 mph) ↑
  • 100 nmi (190 km; 120 mi) at 3 knots (5.6 km/h; 3.5 mph) ↓
Test depth: 50 m (164 ft)
Boats & landing
craft carried:
1 dingi
Complement: 16 (? officers and ? ratings)
Armament:
  • 3 × 45 cm (18 in) torpedo tubes
  • 1 × 76 mm gun

The A-class submarines were a class of three vessels of German design built by the Krupp Germania naval shipyard in Kiel, Germany from 1913 to 1914 and deployed by the Royal Norwegian Navy.

The Norwegian government purchased four submarines that were almost completed in 1913 and received three of these before World War I. The fourth, A-5, was seized by German authorities at the outbreak of war and commissioned as SM UA. It was used for coastal protection and from 1916 as a training vessel in the Baltic Sea.[1]

Fates

All three A-class submarines were lost during the first week following the German invasion of Norway, one in combat and the other two through scuttling.

Footnotes

  1. E.Gröner, Deutsche Kriegsschiffe, vol. III, p.48

Literature


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