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German submarine U-544

Coordinates: 40°30′N 37°20′W / 40.500°N 37.333°W / 40.500; -37.333
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History
Nazi Germany
NameU-544
Ordered5 June 1941
BuilderDeutsche Werft, Hamburg
Yard number365
Laid down8 July 1942
Launched17 February 1943
Commissioned5 May 1943
FateSunk on 16 January 1944 northwest of the Azores by Grumman TBF Avengers [1] from USS Guadalcanal
General characteristics
Class and typeType IXC/40 submarine
Displacement
  • 1,144 t (1,126 long tons) surfaced
  • 1,257 t (1,237 long tons) submerged
Length
Beam
  • 6.86 m (22 ft 6 in) o/a
  • 4.44 m (14 ft 7 in) pressure hull
Height9.60 m (31 ft 6 in)
Draught4.67 m (15 ft 4 in)
Installed power
  • 4,400 PS (3,200 kW; 4,300 bhp) (diesels)
  • 1,000 PS (740 kW; 990 shp) (electric)
Propulsion
Speed
  • 18.3 knots (33.9 km/h; 21.1 mph) surfaced
  • 7.3 knots (13.5 km/h; 8.4 mph) submerged
Range
  • 13,850 nmi (25,650 km; 15,940 mi) at 10 knots (19 km/h; 12 mph) surfaced
  • 63 nmi (117 km; 72 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth230 m (750 ft)
Complement4 officers, 44 enlisted
Armament
Service record
Part of:
Identification codes: M 37 886
Commanders:
  • K.Kapt. Willy Mattke
  • 5 May 1943 – 16 January 1944
Operations:
  • 1 patrol:
  • 9 November 1943 – 16 January 1944
Victories: None

German submarine U-544 was a Type IXC U-boat of Nazi Germany's Kriegsmarine during World War II.

She was laid down at the Deutsche Werft (yard) in Hamburg as yard number 365 on 8 July 1942, launched on 17 February 1943 and commissioned on 5 May with Korvettenkapitän Willy Mattke in command.

U-544 began her service career with training as part of the 4th U-boat Flotilla from 5 May 1943. She was reassigned to the 10th flotilla for operations on 1 November.

She carried out one patrol and did not sink any ships. She was a member of five wolfpacks.

She was sunk on 16 January 1944 northwest of the Azores by American aircraft.

Design

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German Type IXC/40 submarines were slightly larger than the original Type IXCs. U-544 had a displacement of 1,144 tonnes (1,126 long tons) when at the surface and 1,257 tonnes (1,237 long tons) while submerged.[2] The U-boat had a total length of 76.76 m (251 ft 10 in), a pressure hull length of 58.75 m (192 ft 9 in), a beam of 6.86 m (22 ft 6 in), a height of 9.60 m (31 ft 6 in), and a draught of 4.67 m (15 ft 4 in). The submarine was powered by two MAN M 9 V 40/46 supercharged four-stroke, nine-cylinder diesel engines producing a total of 4,400 metric horsepower (3,240 kW; 4,340 shp) for use while surfaced, two Siemens-Schuckert 2 GU 345/34 double-acting electric motors producing a total of 1,000 shaft horsepower (1,010 PS; 750 kW) for use while submerged. She had two shafts and two 1.92 m (6 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 18.3 knots (33.9 km/h; 21.1 mph) and a maximum submerged speed of 7.3 knots (13.5 km/h; 8.4 mph).[2] When submerged, the boat could operate for 63 nautical miles (117 km; 72 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 13,850 nautical miles (25,650 km; 15,940 mi) at 10 knots (19 km/h; 12 mph). U-544 was fitted with six 53.3 cm (21 in) torpedo tubes (four fitted at the bow and two at the stern), 22 torpedoes, one 10.5 cm (4.13 in) SK C/32 naval gun, 180 rounds, and a 3.7 cm (1.5 in) SK C/30 as well as a 2 cm (0.79 in) C/30 anti-aircraft gun. The boat had a complement of forty-eight.[2]

Service history

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Patrol and loss

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The boat departed Kiel on 9 November 1943, moved through the North Sea, negotiated the 'gap' between Iceland and the Faroe Islands and entered the Atlantic Ocean.

She was sunk on 16 January 1944 northwest of the Azores by American aircraft from the escort carrier USS Guadalcanal using rockets and depth charges.

Fifty-seven men died; there were no survivors.[1]

Wolfpacks

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U-544 took part in five wolfpacks, namely:

  • Coronel (4 – 8 December 1943)
  • Coronel 1 (8 – 14 December 1943)
  • Coronel 2 (14 – 17 December 1943)
  • Föhr (18 – 23 December 1943)
  • Rügen 6 (26 – 31 December 1943)

References

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  1. ^ a b Kemp 1997, pp. 164–165.
  2. ^ a b c d Gröner 1991, p. 68.

Bibliography

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  • Busch, Rainer; Röll, Hans-Joachim (1999). German U-boat commanders of World War II : a biographical dictionary. Translated by Brooks, Geoffrey. London, Annapolis, Md: Greenhill Books, Naval Institute Press. ISBN 1-55750-186-6.
  • Busch, Rainer; Röll, Hans-Joachim (1999). Deutsche U-Boot-Verluste von September 1939 bis Mai 1945 [German U-boat losses from September 1939 to May 1945]. Der U-Boot-Krieg (in German). Vol. IV. Hamburg, Berlin, Bonn: Mittler. ISBN 3-8132-0514-2.
  • Gröner, Erich; Jung, Dieter; Maass, Martin (1991). U-boats and Mine Warfare Vessels. German Warships 1815–1945. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN 0-85177-593-4.
  • Kemp, Paul (1997). U-Boats Destroyed - German Submarine Losses in the World Wars. Arms & Armour. ISBN 1-85409-515-3.
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40°30′N 37°20′W / 40.500°N 37.333°W / 40.500; -37.333

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