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German submarine U-554

Coordinates: 53°51′N 08°10′E / 53.850°N 8.167°E / 53.850; 8.167
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History
Nazi Germany
NameU-554
Ordered25 September 1939
BuilderBlohm & Voss, Hamburg
Yard number530
Laid down1 December 1939
Launched7 November 1940
Commissioned15 January 1941
FateScuttled, 2 May 1945
General characteristics
Class and typeType VIIC submarine
Displacement
  • 769 tonnes (757 long tons) surfaced
  • 871 t (857 long tons) submerged
Length
Beam
  • 6.20 m (20 ft 4 in) o/a
  • 4.70 m (15 ft 5 in) pressure hull
Height9.60 m (31 ft 6 in)
Draught4.74 m (15 ft 7 in)
Installed power
  • 2,800–3,200 PS (2,100–2,400 kW; 2,800–3,200 bhp) (diesels)
  • 750 PS (550 kW; 740 shp) (electric)
Propulsion
Speed
  • 17.7 knots (32.8 km/h; 20.4 mph) surfaced
  • 7.6 knots (14.1 km/h; 8.7 mph) submerged
Range
  • 8,500 nmi (15,700 km; 9,800 mi) at 10 knots (19 km/h; 12 mph) surfaced
  • 80 nmi (150 km; 92 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth
  • 230 m (750 ft)
  • Crush depth: 250–295 m (820–968 ft)
Complement4 officers, 40–56 enlisted
Armament
Service record[1]
Part of:
Commanders:
  • Kptlt. Dietrich Lohmann
  • 15 January – 25 June 1941
  • Oblt.z.S. Heinz Stein
  • 26 June 1941 – March 1942
  • Oblt.z.S.. Claus von Trotha
  • March – September 1942
  • Kptlt. Karl-Hartwig Sieboid
  • 14 November 1942 – 2 July 1944
  • Oblt.z.S.. Gottfried Stolzenburg
  • July – 18 November 1944
  • Kptlt. Ernst-Wolfgang Rave
  • 19 November 1944 – 22 March 1945
  • Oblt.z.S.. Werner Remus
  • March – 2 May 1945
Operations: None
Victories: None

German submarine U-554 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 1 December 1939 at the Blohm & Voss yard in Hamburg as yard number 530, launched on 7 November 1940, and commissioned on 15 January 1941 under the command of Kapitänleutnant Dietrich Lohmann.[1]

Design

German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-554 had a displacement of 769 tonnes (757 long tons) when at the surface and 871 tonnes (857 long tons) while submerged.[2] She had a total length of 67.10 m (220 ft 2 in), a pressure hull length of 50.50 m (165 ft 8 in), a beam of 6.20 m (20 ft 4 in), a height of 9.60 m (31 ft 6 in), and a draught of 4.74 m (15 ft 7 in). The submarine was powered by two Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines producing a total of 2,800 to 3,200 metric horsepower (2,060 to 2,350 kW; 2,760 to 3,160 shp) for use while surfaced, two BBC GG UB 720/8 double-acting electric motors producing a total of 750 metric horsepower (550 kW; 740 shp) for use while submerged. She had two shafts and two 1.23 m (4 ft) propellers. The boat was capable of operating at depths of up to 230 metres (750 ft).[2]

The submarine had a maximum surface speed of 17.7 knots (32.8 km/h; 20.4 mph) and a maximum submerged speed of 7.6 knots (14.1 km/h; 8.7 mph).[2] When submerged, the boat could operate for 80 nautical miles (150 km; 92 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 8,500 nautical miles (15,700 km; 9,800 mi) at 10 knots (19 km/h; 12 mph). U-554 was fitted with two 53.3 cm (21 in) torpedo tubes fitted at the bow, fourteen torpedoes, one 8.8 cm (3.46 in) SK C/35 naval gun, 220 rounds, and an anti-aircraft gun. The boat had a complement of between forty-four and sixty.[2]

Service history

Assigned to the 24th U-boat Flotilla, the U-boat served throughout the war under a number of commanders, but always as a training vessel, seeing no combat service. She was transferred to the 22nd U-boat Flotilla on 1 July 1944, and then to the 31st U-boat Flotilla on 1 February 1945.[1]

The submarine was scuttled on 2 May 1945 near Wilhelmshaven, in position 53°51′N 08°10′E / 53.850°N 8.167°E / 53.850; 8.167, only a few days before the German surrender.[1]

References

  1. ^ a b c d Helgason, Guðmundur. "The Type VIIC boat U-554". German U-boats of WWII - uboat.net. Retrieved 9 February 2010.
  2. ^ a b c d Gröner 1991, pp. 43–46.

Bibliography

  • Busch, Rainer; Röll, Hans-Joachim (1999). Deutsche U-Boot-Verluste von September 1939 bis Mai 1945 (in German). Vol. IV. Hamburg, Berlin, Bonn: Mittler. ISBN 3-8132-0514-2. {{cite book}}: |work= ignored (help); Invalid |ref=harv (help)
  • Gröner, Erich; Jung, Dieter; Maass, Martin (1991). U-boats and Mine Warfare Vessels. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN 0-85177-593-4. {{cite book}}: |work= ignored (help); Cite has empty unknown parameter: |last-author-amp= (help)