German submarine U-142 (1940)

German submarine U-142 was a Type IID U-boat of Nazi Germany's Kriegsmarine during World War II. Her keel was laid down on 12 December 1939 by Deutsche Werke in Kiel as yard number 271. She was launched on 27 July 1940 and commissioned on 4 September 1940 with Leutnant zur See Asmus Nicolai Clausen in command.

For other ships with the same name, see German submarine U-142.

History
Nazi Germany
Name: U-142
Ordered: 25 September 1939
Builder: Deutsche Werke, Kiel
Laid down: 12 December 1939
Launched: 27 July 1940
Commissioned: 4 September 1940
Fate: Scuttled on 2 May 1945 at Wilhelmshaven
General characteristics
Class and type: IID
Type: Coastal submarine
Displacement:
  • 314 t (309 long tons) surfaced
  • 364 t (358 long tons) submerged
Length:
  • 43.97 m (144 ft 3 in) o/a
  • 29.80 m (97 ft 9 in) pressure hull
Beam:
  • 4.92 m (16 ft 2 in) (o/a)
  • 4.00 m (13 ft 1 in) (pressure hull)
Height: 8.40 m (27 ft 7 in)
Draught: 3.93 m (12 ft 11 in)
Installed power:
  • 700 PS (510 kW; 690 bhp) (diesels)
  • 410 PS (300 kW; 400 shp) (electric)
Propulsion:
Range:
  • 3,450 nmi (6,390 km; 3,970 mi) at 12 knots (22 km/h; 14 mph) surfaced
  • 56 nmi (104 km; 64 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth: 80 m (260 ft)
Complement: 3 officers, 22 men
Armament:
Service record[1][2]
Part of:
Commanders:
  • Lt.z.S. Nicolai Clausen
  • 9 September - 13 October 1940
  • Kptlt. Paul-Hugo Kettner
  • 14–12 October 1940
  • Siegfried Lindke
  • 21 October 1941 - 12 March 1942
  • Oblt.z.S. Hans-Joachim Bertelsmann
  • 18 March -12 September 1942
  • Oblt.z.S. Johann-Otto Krieg
  • 13 September - 24 December 1942
  • Karl-Heinz Landahn
  • 25 December 1942 - 4 March 1944
  • Oblt.z.S. Carl Schauroth
  • 5 March 1944 - 6 February 1945
  • Oblt.z.S. Friederich Baumgärtel
  • 2 February 1945 - 2 May 1945
Operations:
  • 1st patrol: 21 June - 12 July 1941
  • 2nd patrol: 27 July - 9 August 1941

U-142 began her service life with the 1st U-boat Flotilla. She was then assigned to the 24th Flotilla and subsequently to the 22nd Flotilla where she conducted three patrols, but did not sink or damage any ships. She spent the rest of the war as a training vessel.

She was scuttled in May 1945.

Design

German Type IID submarines were enlarged versions of the original Type IIs. U-142 had a displacement of 314 tonnes (309 long tons) when at the surface and 364 tonnes (358 long tons) while submerged. Officially, the standard tonnage was 250 long tons (250 t), however.[3] The U-boat had a total length of 43.97 m (144 ft 3 in), a pressure hull length of 29.80 m (97 ft 9 in), a beam of 4.92 m (16 ft 2 in), a height of 8.40 m (27 ft 7 in), and a draught of 3.93 m (12 ft 11 in). The submarine was powered by two MWM RS 127 S four-stroke, six-cylinder diesel engines of 700 metric horsepower (510 kW; 690 shp) for cruising, two Siemens-Schuckert PG VV 322/36 double-acting electric motors producing a total of 410 metric horsepower (300 kW; 400 shp) for use while submerged. She had two shafts and two 0.85 m (3 ft) propellers. The boat was capable of operating at depths of up to 80–150 metres (260–490 ft).[3]

The submarine had a maximum surface speed of 12.7 knots (23.5 km/h; 14.6 mph) and a maximum submerged speed of 7.4 knots (13.7 km/h; 8.5 mph).[3] When submerged, the boat could operate for 35–42 nautical miles (65–78 km; 40–48 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 3,800 nautical miles (7,000 km; 4,400 mi) at 8 knots (15 km/h; 9.2 mph). U-142 was fitted with three 53.3 cm (21 in) torpedo tubes at the bow, five torpedoes or up to twelve Type A torpedo mines, and a 2 cm (0.79 in) anti-aircraft gun. The boat had a complement of 25.[3]

Operational career

1st patrol

The boat's first patrol commenced with her departure from Gotenhafen, (now Gdynia in modern-day Poland) on 21 June 1941. She arrived in Oxhöft, (a suburb of Gdynia), without incident on 18 August.

2nd patrol

Her second foray was also abortive, departing Oxhöft on 28 August 1941 and arriving in Stormelö (in southwest Finland) on 31 August.

3rd patrol

Her third sortie was equally barren, beginning in Stormelo on 28 August 1941 and ending in Gotenhafen on the 31st.

Loss

U-142 was scuttled in the Raederschleuse (lock) in Wilhelmshaven on 2 May 1945. The wreck was broken up on an unknown date.

gollark: ABR is on about 40.
gollark: Or cognitohazardously affected.
gollark: It would be cognitohazardated, really.
gollark: They must have low IRV.
gollark: Wow, the cognitohazard worked on lyricly that easily?

References
  1. Helgason, Guðmundur. "The Type IID boat U-142". German U-boats of WWII - uboat.net uboat.net. Retrieved 14 July 2012.
  2. Helgason, Guðmundur. "War Patrols by German U-boat U-142". German U-boats of WWII - uboat.net. Retrieved 14 July 2012.
  3. Gröner 1991, pp. 39–40.

Bibliography
  • 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.CS1 maint: ref=harv (link)
  • 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). IV. Hamburg, Berlin, Bonn: Mittler. ISBN 3-8132-0514-2.CS1 maint: ref=harv (link)
  • 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.
  • Helgason, Guðmundur. "The Type IID boat U-142". German U-boats of WWII - uboat.net. Retrieved 6 December 2014.
  • Hofmann, Markus. "U 142". Deutsche U-Boote 1935-1945 - u-boot-archiv.de (in German). Retrieved 30 January 2015.
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