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German submarine U-191

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German submarine U-191 was a Type IXC/40 U-boat of Nazi Germany's Kriegsmarine built for service during World War II.

History
Nazi Germany
NameU-191
Ordered4 November 1940
BuilderDeSchiMAG AG Weser, Bremen
Yard number1037
Laid down2 November 1941
Launched3 July 1942
Commissioned20 October 1942
FateSunk on 23 April 1943
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[1]
Part of:
Identification codes: M 49 103
Commanders:
Operations:
  • 1 patrol:
  • 17 March – 23 April 1943
Victories: 1 merchant ship sunk
(3,025 GRT)

She was ordered on 4 November 1940 from DeSchiMAG AG Weser Bremen, laid down on 2 November 1941, and launched on 3 July 1942.[2] She was commissioned under Kapitänleutnant Helmut Fiehn on 20 October 1942 and underwent crew training and work-ups until 31 March 1943.

Design

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German Type IXC/40 submarines were slightly larger than the original Type IXCs. U-191 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.[3] 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).[3]

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).[3] 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-191 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.[3]

Service history

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U-191 took part in several wolfpack operations in the North Atlantic. On 21 April 1943, she achieved her only success, torpedoing and sinking the 3,025 GRT Norwegian merchant ship Scebli, killing two of Scebli's crew. Two days later U-191 was attacked and sunk by the Royal Navy destroyer Hesperus off the coast of Greenland south-east of Cape Farewell with the loss of her entire crew of 55.[2]

Summary of raiding history

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Date Ship Nationality Tonnage
(GRT)		 Fate[4]
21 April 1943 Scebeli   Norway 3,025 Sunk

References

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  1. ^ Helgason, Guðmundur. "The Type IXC/40 boat U-191". German U-boats of WWII - uboat.net. Retrieved 22 July 2012.
  2. ^ a b Kemp 1999, p. 111.
  3. ^ a b c d Gröner 1991, p. 68.
  4. ^ Helgason, Guðmundur. "Ships hit by U-191". German U-boats of WWII - uboat.net.

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 (1999). U-Boats Destroyed - German Submarine Losses in the World Wars. London: Arms & Armour. ISBN 1-85409-515-3.
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  • Helgason, Guðmundur. "The Type VIIC boat U-191". German U-boats of WWII - uboat.net. Retrieved 29 December 2014.
  • Hofmann, Markus. "U 191". Deutsche U-Boote 1935-1945 - u-boot-archiv.de (in German). Retrieved 30 January 2015.

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