German submarine U-336

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History
Nazi Germany
Name: U-336
Ordered: 15 August 1940
Builder: Nordseewerke, Emden
Yard number: 208
Laid down: 28 March 1941
Launched: 4 December 1941
Commissioned: 14 February 1942
Fate: Sunk, October 1942 by a British aircraft[1]
General characteristics
Class and type: Type 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
Height: 9.60 m (31 ft 6 in)
Draught: 4.74 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)
Complement: 4 officers, 40–56 enlisted
Armament:
Service record[2][3]
Part of:
Commanders:
  • Kptlt. Hans Hunger
  • 14 February 1942 – 5 October 1943
Operations:
  • Five patrols:
  • 12–13 November 1942
  • 28 November 1942 – 8 January 1943
  • 2 March – 11 April 1943
  • 8 May – 17 July 1943
  • 14 September – 5 October 1943
Victories: One ship sunk, of 4,919 GRT

German submarine U-336 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 28 March 1941 at the Nordseewerke yard at Emden as yard number 208, launched on 4 December and commissioned on 14 February 1942 under the command of Kapitänleutnant Hans Hunger.

Design[edit]

German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-336 had a displacement of 769 tonnes (757 long tons) when at the surface and 871 tonnes (857 long tons) while submerged.[4] 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 AEG GU 460/8–27 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).[4]

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).[4] 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-336 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 an anti-aircraft gun. The boat had a complement of between forty-four and sixty.[4]

Service history[edit]

After training with the 5th U-boat Flotilla, she moved to the 1st flotilla for front-line service in December 1942.

The boat carried out five patrols, sinking one ship.

She was a member of ten wolfpacks.

1st patrol[edit]

The boat's first patrol was very brief; starting and finishing in Kiel on the 12th and 13 November 1942.

2nd patrol[edit]

Her second foray also started in Kiel, but terminated in Brest in occupied France after passing between the Faroe and Shetland Islands. She sank the Belgian tanker President Francqui on 29 December 1942 north of the Azores. The ship had already been hit by two torpedoes. U-336 finished her off with a 'coup de grâce'.

3rd patrol[edit]

The submarine's third sortie was again into the mid-Atlantic. She spent days scouring the empty wastes, but returned to Brest without success.

4th patrol[edit]

'U-336's fourth patrol was, at 71 days, her longest. She was attacked by an unidentified aircraft on 10 July 1943 west of Lisbon. Slight damage was the result.

5th patrol[edit]

U-336 left Brest for the last time on 14 September 1943. Initially she headed west, out of the Bay of Biscay. On the 24th, she turned north.

Fate[edit]

On 5 October, she was sunk by rockets fired by a British Lockheed Hudson of No. 269 Squadron RAF in the Denmark Strait,[1] (between Greenland and Iceland).[5]

Fifty men died; there were no survivors.[6]

Wolfpacks[edit]

U-336 took part in ten wolfpacks, namely.

  • Ungestüm (11–30 December 1942)
  • Neuland (8–13 March 1943)
  • Dränger (14–20 March 1943)
  • Seewolf (21–30 March 1943)
  • Oder (17–19 May 1943)
  • Mosel (19–24 May 1943)
  • Trutz (1–16 June 1943)
  • Trutz 2 (16–29 June 1943)
  • Geier 3 (30 June - 10 July 1943)
  • Rossbach (24 September - 5 October 1943)

Summary of raiding history[edit]

Date Name Nationality Tonnage
(GRT)
Fate[7]
29 December 1942 President Francqui  Belgium 4,919 Sunk

References[edit]

  1. ^ a b Kemp 1999, p. 146.
  2. ^ Helgason, Guðmundur. "The Type VIIC boat U-336". German U-boats of WWII - uboat.net. Retrieved 21 August 2012. 
  3. ^ Helgason, Guðmundur. "War Patrols by German U-boat U-336". German U-boats of WWII - uboat.net. Retrieved 21 August 2012. 
  4. ^ a b c d Gröner 1991, pp. 43-46.
  5. ^ The Times Atlas of the World - Third edition, revised 1995, ISBN 0 7230 0809 4, p. 2
  6. ^ Helgason, Guðmundur. "The Type VIIC boat U-336". German U-boats of WWII - uboat.net. Retrieved 26 December 2014. 
  7. ^ Helgason, Guðmundur. "Ships hit by U-336". German U-boats of WWII - uboat.net. Retrieved 6 July 2014. 

Bibliography[edit]

  • Busch, Rainer; Röll, Hans-Joachim (1999). Deutsche U-Boot-Verluste von September 1939 bis Mai 1945. Der U-Boot-Krieg (in German). 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. 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. 

External links[edit]

  • Helgason, Guðmundur. "The Type VIIC boat U-336". German U-boats of WWII - uboat.net. Retrieved 26 December 2014. 
  • Hofmann, Markus. "U 336". Deutsche U-Boote 1935-1945 - u-boot-archiv.de (in German). Retrieved 26 December 2014. 

Coordinates: 62°43′N 27°17′W / 62.717°N 27.283°W / 62.717; -27.283