German submarine U-233

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80-G-700006 Battle of the Atlantic. German Submarine U-233 about to be rammed by USS Thomas (DE 102).jpg
U-233 about to be rammed by USS Thomas
History
War ensign of Germany (1938-1945).svg Nazi Germany
NameU-233
Ordered7 December 1940
Builder Germaniawerft, Kiel
Yard number663
Laid down15 August 1941
Launched8 May 1943
Commissioned22 September 1943
FateSunk 5 July 1944
General characteristics [1]
Class and type Type X submarine minelayer
Displacement
  • 1,763 tonnes (1,735 long tons) surfaced
  • 2,177 tonnes (2,143 long tons) submerged
Length
Beam
  • 9.20 m (30 ft 2 in) o/a
  • 4.75 m (15 ft 7 in) pressure hull
Height10.20 m (33 ft 6 in)
Draught4.71 m (15 ft 5 in)
Propulsion
Speed
  • 16.4–17 knots (30.4–31.5 km/h; 18.9–19.6 mph) surfaced
  • 7 knots (13 km/h; 8.1 mph) submerged
Range
  • 18,450 nautical miles (34,170 km; 21,230 mi) at 10 knots (19 km/h; 12 mph) surfaced
  • 93 nmi (172 km; 107 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth Calculated crush depth: 220 m (720 ft)
Complement5 officers, 47 enlisted
Armament
Service record [2] [3]
Part of:
Identification codes: M 54 276
Commanders:
Operations:
  • 1 patrol:
  • 27 May – 5 July 1944
Victories: None

German submarine U-233 was a Type XB U-boat of Nazi Germany's Kriegsmarine during World War II. She was laid down on 15 August 1941, launched on 8 May 1943 and commissioned on 22 September of the same year. U-233 was commanded throughout her career by Oberleutnant zur See Hans Steen.

Contents

Service history

U-233 was assigned to the 4th U-boat Flotilla for training on 22 September 1943 and to the 12th U-boat Flotilla on 1 June 1944 for active service. Her first and only patrol commenced on 27 May 1944 when she departed Kiel to lay mines off Halifax.

Fate

On 5 July 1944 U-233 was intercepted by ships of the USS Card (CVE-11) hunter-killer group. She was identified by sonar, depth-charged to the surface and fired on by USS Baker (DE-190), before being rammed and sunk by USS Thomas (DE-102). 32 of her crew were killed in the action, 29 others being rescued by the escorts. Steen was also picked up, but died of wounds the next day. [4] [5] [6] US Navy report on U-233 survivors 1944 [7]

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References

  1. ↑ Gröner 1991, pp. 76–77.
  2. ↑ Helgason, Guðmundur. "The Type XB boat U-233". German U-boats of WWII - uboat.net. Retrieved 9 January 2010.
  3. ↑ Helgason, Guðmundur. "War Patrols by German U-boat U-233". German U-boats of WWII - uboat.net. Retrieved 9 January 2010.
  4. ↑ Blair 2000, p. 568.
  5. ↑ Kemp 2000, p. 201.
  6. ↑ Niestlé 1998, p. 145.
  7. ↑ Uboat archive 1944

Bibliography

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