German submarine U-630

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Career (Nazi Germany)
Name: U-630
Ordered: 15 August 1940
Builder: Blohm & Voss, Hamburg
Yard number: 606
Laid down: 23 August 1941
Launched: 12 May 1942
Commissioned: 9 July 1942
Fate: Sunk 6 May 1943 in the North Atlantic in position 52°31′N 44°50′W / 52.517°N 44.833°W / 52.517; -44.833, by depth charges from HMS Vidette.
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 × BBC GG UB 720/8 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) at 10 kn (19 km/h) surfaced
80 nmi (150 km) at 4 kn (7.4 km/h) submerged
Test depth: 230 m (750 ft)
Crush depth: 250–295 m (820–968 ft)
Complement: 44–52 officers & ratings
Armament:
Service record[1]
Part of: 5th U-boat Flotilla
(2 January 1942 - 30 November 1942) - Training
1st U-boat Flotilla
(1 December 1942 - 1 March 1944)
Commanders: Oblt.z.S. Werner Winkler
(9 July 1942 - 6 May 1943)
Operations: 1st patrol:
18 March 1943 - 6 May 1943
Victories: 2 merchant ships sunk (14,894 GRT)

German submarine U-630 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. She was laid down on 23 August 1941 by Blohm & Voss, Hamburg as yard number 606, launched on 12 May 1942 and commissioned on 9 July 1942 under Oberleutnant zur See Werner Winkler.

Service History[edit]

The boat's career began with training at 5th U-boat Flotilla on 9 July 1942, followed by active service on 1 April 1943 as part of the 3rd Flotilla for the remainder of her service.

In 1 patrol she sank 2 merchant ships, for a total of 14,894 gross register tons (GRT).

Wolf Packs[edit]

U-630 took part in 4 wolf packs, namely

  • Löwenherz (1 Apr 1943 – 10 Apr 1943)
  • Lerche (10 Apr 1943 – 15 Apr 1943)
  • Specht (22 Apr 1943 – 4 May 1943)
  • Fink (4 May 1943 – 6 May 1943)

Convoy HX 231[edit]

Convoy HX 231 set out across the Atlantic on 30 March 1943, only one U-tanker, U-463 was at sea, and she had sixteen U-boats queuing up to be topped up. These boats formed the Wolf Pack Löwenherz.

On 4 April U-635 attacked and damaged both the 5,529 GRT British motor vessel Shillong and 9,365 GRT British steamer Waroonga. U-630 is credited with finishing off both wounded vessels on the following day.

Fate[edit]

U-630 was sunk on 6 May 1943 in the North Atlantic in position 52°31′N 44°50′W / 52.517°N 44.833°W / 52.517; -44.833, by depth charges from HMS Vidette. All hands were lost.

Summary of Raiding Career[edit]

Date Name Nationality Tonnage
(GRT)
Fate[2]
5 April 1943 Shillong  United Kingdom 5,529 Sunk
5 April 1943 Waroonga  United Kingdom 9,365 Sunk

See also[edit]

References[edit]

Notes
  1. ^ "The Type VIIC boat U-630 - German U-boats of WWII - uboat.net". www.uboat.net. Retrieved 7 August 2014. 
  2. ^ "U-630 successes". UBoat.net. Retrieved 7 August 2014. 
Bibliography
  • 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 (1985). "U-Boote, Hilfskreuzer, Minenschiffe, Netzleger, Sperrbrecher". Die deutschen Kriegsschiffe 1815-1945 (in German) III (Koblenz: Bernard & Graefe). ISBN 3-7637-4802-4. 
  • Edwards, Bernard (1996). Dönitz and the Wolf Packs - The U-boats at War. pp. 182, 184, 197. ISBN 0-304-35203-9. 
  • Sharpe, Peter (1998). U-Boat Fact File. Great Britain: Midland Publishing. ISBN 1-85780-072-9. 

External links[edit]