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German submarine U-719

Coordinates: 55°33′N 11°2′W / 55.550°N 11.033°W / 55.550; -11.033
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History
Nazi Germany
NameU-719
Ordered25 August 1941
BuilderH. C. Stülcken Sohn, Hamburg
Yard number785
Laid down3 July 1942
Launched28 April 1943
Commissioned27 July 1943
FateSunk on 26 June 1944
General characteristics
Class and typeType VIIC submarine
Displacement
  • 769 t (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
Part of:
Identification codes: M 53 569
Commanders:
  • Oblt.z.S. Klaus-Dietrich Steffens
  • 27 July 1943 – 26 June 1944
Operations:
  • 1 patrol:
  • 19 May – 26 June 1944
Victories: None

German submarine U-719 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 3 July 1942 at the H. C. Stülcken Sohn yard at Hamburg, launched on 28 April 1943, and commissioned on 27 July 1943 under the command of Oberleutnant zur See Klaus-Dietrich Steffens. Attached to 5th U-boat Flotilla based at Kiel, U-719 completed her training period on 30 April 1944 and was assigned to front-line service.

Design

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German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-719 had a displacement of 769 tonnes (757 long tons) when at the surface and 871 tonnes (857 long tons) while submerged.[1] 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 Garbe, Lahmeyer & Co. RP 137/c 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).[1]

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).[1] 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-719 was fitted with five 53.3 cm (21 in) torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes, one 8.8 cm (3.46 in) SK C/35 naval gun, 220 rounds, and two twin 2 cm (0.79 in) C/30 anti-aircraft guns. The boat had a complement of between forty-four and sixty.[1]

Service history

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On the first and only war patrol, U-719 was picked up by HMS Bulldog's ASDIC on 26 June 1944 northwest of Ireland. Bulldog attacked the U-boat with hedgehogs, destroying U-719 in the third attempt. All 52 crew members perished in the event.[2]

References

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  1. ^ a b c d Gröner 1991, pp. 43–46.
  2. ^ Busch & Röll 1999b, pp. 261–262.

Bibliography

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  • Busch, Rainer; Röll, Hans-Joachim (1999a). 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 (1999b). Der U-Boot-Krieg, 1939-1945: Deutsche U-Boot-Verluste von September 1939 bis Mai 1945 [German U-boat losses from September 1939 to May 1945] (in German). Vol. IV. Hamburg, Berlin, Bonn: Mittler. ISBN 3-8132-0514-2.
  • Gröner, Eric; Jung, Dieter; Maass, Martin (1991). German Warships 1815-1945: U-boats and Mine Warfare Vessels. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN 0-85177-593-4.
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55°33′N 11°2′W / 55.550°N 11.033°W / 55.550; -11.033