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German submarine U-553

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Title: German submarine U-553  
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German submarine U-553

Career (Nazi Germany)
Name: U-553
Ordered: 25 September 1939
Builder: Blohm & Voss, Hamburg
Yard number: 529
Laid down: 21 November 1939
Launched: 7 November 1940
Commissioned: 23 December 1940
Fate: Missing, presumed sunk, in the mid North Atlantic on 20 January 1943. All hands lost[1]
General characteristics
Type: Type VIIC submarine
Displacement: 769 tonnes (757 long tons) surfaced
871 t (857 long tons) submerged
Length: 67.1 m (220 ft 2 in) o/a
50.5 m (165 ft 8 in) pressure hull
Beam: 6.2 m (20 ft 4 in) o/a
4.7 m (15 ft 5 in) pressure hull
Draft: 4.74 m (15 ft 7 in)
Propulsion: 2 × supercharged Germaniawerft 6-cylinder 4-stroke F46 diesel engines, totalling 2,800–3,200 bhp (2,100–2,400 kW). Max rpm: 470-490
2 × electric motors, totalling 750 shp (560 kW) and max rpm: 296
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 kn (19 km/h; 12 mph) surfaced
80 nmi (150 km; 92 mi) at 4 kn (7.4 km/h; 4.6 mph) submerged
Test depth: 230 m (750 ft)
Crush depth: 250–295 m (820–968 ft)
Complement: 44–52 officers & ratings
Armament:
Service record
Part of:

Kriegsmarine 7th U-boat Flotilla (Training)
1940-12-23
7th U-boat Flotilla (Front Boat)
1941-04-01

3rd U-boat Flotilla (Training)
1942-12-01 - 1943-01-20
Identification codes: M 23 789
Commanders: Kptlt. Karl Thurmann
23 December 1940 — 20 January 1943
Operations: 10 patrols
Victories:

14 ships sunk for a total of 71,779 gross register tons (GRT)

one ship damaged of 8,106 GRT

German submarine U-553 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II.

History

Her keel was laid down 21 November 1939, by Blohm & Voss in Hamburg as yard number 529. She was launched on 7 November 1940 and commissioned on 23 December, with Kapitänleutnant Karl Thurmann in command. He was captain for her entire career.

Her service began with training under the 7th U-boat Flotilla and moved on to operations on 1 April 1941. She then transferred to the 3rd flotilla on 1 December 1942. She was a member of 10 wolfpacks. She moved from Kiel in Germany to Bergen in Norway in April 1941.

1st patrol

The boat departed Bergen on 19 April 1941 and headed for the Atlantic via the gap between the Faeroe and Shetland Islands. She arrived at her new base of St. Nazaire in occupied France on 2 May 1941 after suffering serious engine trouble.

2nd patrol

Departing St. Nazaire on 7 June, she achieved success north of the Azores, by sinking the Susan Maersk (she went down in 90 seconds)[2] and the Ranella (she broke in two)[3] both on 12 June 1941.

3rd, 4th and 5th patrols

Her next three sorties met with mixed fortune; her third patrol saw no success, despite ranging far and wide over the north Atlantic.

U-553 '​s next foray saw her attack merchantmen such as the Silvercedar, (sunk on 15 October 1941)[4] and HMS Gladiolus (sunk on 17 October).[5]

The boat's fifth patrol took her toward the eastern Canadian/US coast where she succeeded in damaging the Diala on 15 January 1942[6] and sinking the Innerøy on 22 January.[7]

6th and 7th patrols

The boat's sixth patrol took her from St. Nazaire as far north as the Faeroe Islands. It was unsuccessful.

Outing number seven saw the submarine penetrate the Gulf of St. Lawrence where she sank two ships; the Leto[8] and the Nicoya.[9] The Mattawin[10] was sent to the bottom of the Atlantic.

8th patrol

The boat's eighth patrol began with her departure from St. Nazaire on 19 July and to which she returned on 17 September after 61 days at sea, her longest. In that time, she damaged the Belgian Soldier off Newfoundland[11] and attacked three other ships near Cuba.[12][13] one of which, the Empire Bede, was sunk by gunfire from HMS Pimpernel.[14]

9th patrol

Her last full patrol commenced on 23 November 1942; she sank the Charles L D on 9 December 1942. She returned to France, but this time La Pallice on 18 December.[15]

Loss

Her tenth and final sortie began with her departure from La Pallice on 16 January 1943. On the 20th, she sent a radio message: "Sehrohr unklar" (periscope unready for action), and was never heard from again. She had suffered no casualties to her crew until lost with all hands. She most probably sank because of technical problems and was officially declared missing on 28 January 1943.[16]

Wolf Packs

U-553 took part in 10 wolfpacks, namely.

  • West (13 Jun 1941 - 20 Jun 1941)
  • Grönland (10 Aug 1941 - 23 Aug 1941)
  • Kurfürst (23 Aug 1941 - 2 Sep 1941)
  • Seewolf (2 Sep 1941 - 13 Sep 1941)
  • Ziethen (6 Jan 1942 - 22 Jan 1942)
  • Westwall (2 Mar 1942 - 12 Mar 1942)
  • York (12 Mar 1942 - 26 Mar 1942)
  • Pirat (29 Jul 1942 - 3 Aug 1942)
  • Draufgänger (29 Nov 1942 - 11 Dec 1942)
  • Landsknecht (19 Jan 1943 - 20 Jan 1943)

Summary of Raiding Career

Date Ship Name Nationality Displacement Fate[17]
12 June 1941 Ranella  Norway 5,590 Sunk
12 June 1941 Susan Maersk  United Kingdom 2,355 Sunk
15 October 1941 Ila  Norway 1,583 Sunk
15 October 1941 Silvercedar  United Kingdom 4,354 Sunk
17 October 1941 HMS Gladiolus  Royal Navy 925 Sunk
15 January 1942 Diala  United Kingdom 8,106 Damaged
22 January 1942 Innerøy  Norway 8,260 Sunk
12 May 1942 Leto  Netherlands 4,712 Sunk
12 May 1942 Nicoya  United Kingdom 5,364 Sunk
2 June 1942 Matawin  United Kingdom 6,919 Sunk
3 August 1942 Belgian Soldier  Belgium 7,167 Damaged
18 August 1942 Blankaholm  Sweden 2,845 Sunk
18 August 1942 Empire Bede  United Kingdom 6,959 Sunk
18 August 1942 John Hancock  United States 7,176 Sunk
9 December 1942 Charles L D  United Kingdom 5,273 Sunk

U-553 in fiction

Neal Stephenson's novel Cryptonomicon includes a fictitious U-553 which runs aground about ten miles north of Qwghlm, a fictional pair of islands, Inner Qwghlm and Outer Qwghlm, off the northwestern coast of Great Britain.

References

Notes
  1. ^ Kemp, Paul: U-Boats Destroyed - German Submarine Losses in the World Wars, 1997, Arms & Armour, ISBN 1-85409-515-3, p. 100.
  2. ^ "Ship Details: Susan Maersk". Ubootwaffe. Retrieved 29 October 2009. 
  3. ^ "Ship Details: Ranella". Ubootwaffe. Retrieved 29 October 2009. 
  4. ^ "Ship Details: Silvercedar". Ubootwaffe. Retrieved 29 October 2009. 
  5. ^ "Ship Details: Gladiolus". Ubootwaffe. Retrieved 29 October 2009. 
  6. ^ "Ship Details: Diala". Ubootwaffe. Retrieved 29 October 2009. 
  7. ^ "U-553". Ubootwaffe. Retrieved 29 October 2009. 
  8. ^ "Ship Details: Leto". Ubootwaffe. Retrieved 29 October 2009. 
  9. ^ "Ship Details: Nicoya". Ubootwaffe. Retrieved 29 October 2009. 
  10. ^ "Ship Details: Mattawin". Ubootwaffe. Retrieved 29 October 2009. 
  11. ^ "Ship Details: Belgian Soldier". Ubootwaffe. Retrieved 29 October 2009. 
  12. ^ "Ship Details: Blankaholm". Ubootwaffe. Retrieved 29 October 2009. 
  13. ^ "Ship Details: Empire Bede". Ubootwaffe. Retrieved 29 October 2009. 
  14. ^ "Empire Bede". Uboat. Retrieved 29 October 2009.  (classed as sunk by U-553)
  15. ^ "Ship Details: Charles L D". Ubootwaffe. Retrieved 29 October 2009. 
  16. ^ Paul Kemp (1998). Die deutschen und österreichischen U-Boot-Verluste in beiden Weltkriegen (in German). Urbes. p. 103.  
  17. ^ "U-553 successes". Retrieved 1 February 2014. 
Bibliography

External links

  • "Uboat.net". The Boats – U-553. Retrieved 29 March 2007. 
  • "Ubootwaffe.net". U-553. Retrieved 29 March 2007. 


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