German submarine U-628

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Career (Nazi Germany)
Name: U-628
Ordered: 15 August 1940
Builder: Blohm & Voss, Hamburg
Yard number: 604
Laid down: 7 August 1941
Launched: 29 April 1942
Commissioned: 25 June 1942
Fate: Sunk 3 July 1943 in the North Atlantic NW of Cape Ortegal in position 44°11′N 08°45′W / 44.183°N 8.750°W / 44.183; -8.750, by depth charges from a RAF Liberator aircraft of 224/J Squadron.
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: 15,170 km (8,190 nmi) at 10 kn (19 km/h) surfaced
150 km (81 nmi) 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: 5 × 53.3 cm (21 in) torpedo tubes (4 bow, 1 stern)
14 × torpedoes or 26 TMA mines
1 × 8.8 cm (3.46 in) deck gun (220 rounds)
Various AA guns
Service record[1]
Part of: 5th U-boat Flotilla
(25 June 1942 - 30 November 1942) - Training
1st U-boat Flotilla
(1 December 1942 - 3 July 1943)
Commanders: Kptlt Heinrich Hasenschar
(25 June 1942 - 3 July 1943)
Operations: 1st patrol:
28 November 1942 - 8 January 1943
2nd patrol:
1 February 1943 - 9 March 1943
3rd patrol:
8 April 1943 - 19 May 1943
4th patrol:
1 July 1943 - 3 July 1943
Victories: 4 merchant ships sunk (21,896 GRT)
4 merchant ships damaged (25,531 GRT)

German submarine U-628 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. She was laid down on 7 August 1941 by Blohm & Voss, Hamburg as 'werk' 604, launched on 29 April 1942 and commissioned on 25 June 1942 under Kptlt Heinrich Hasenschar.

Service History[edit]

The boat's service began on 25 June 1942 with training as part of the 5th U-boat Flotilla. She was transferred to the 1st Flotilla on 1 December 1942 for active service in the North Atlantic.

In 4 patrols she sank 4 merchant ships, for a total of 21,765 GRT, plus 3 merchant ships damaged.

Wolf Packs[edit]

U-628 took part in 6 wolf packs, namely

  • Ungestüm (11 Dec 1942 – 30 Dec 1942)
  • Hartherz (3 Feb 1943 – 7 Feb 1943)
  • Ritter (11 Feb 1943 – 26 Feb 1943)
  • No Name (15 Apr 1943 – 18 Apr 1943)
  • Specht (19 Apr 1943 – 4 May 1943)
  • Fink (4 May 1943 – 6 May 1943)

Fate[edit]

U-628 was sunk on 3 July 1943 in the North Atlantic NW of Cape Ortegal in position 44°11′N 08°45′W / 44.183°N 8.750°W / 44.183; -8.750; bombed and depth charged by RAF Liberator aircraft (FL963) of 224/J Squadron out of RAF St Eval in Cornwall. All 49 hands were lost.

Summary of Raiding Career[edit]

Date Name Nationality Tonnage
(GRT)
Fate[2]
29 December 1942 Lynton Grange  United Kingdom 5,029 Sunk
23 February 1943 Glittre  Norway 6,409 Damaged
23 February 1943 Winkler  Panama 6,907 Damaged
24 February 1943 Ingria  Norway 4,391 Sunk
25 February 1943 Manchester Merchant  United Kingdom 7,264 Sunk
17 April 1943 Fort Rampart  United Kingdom 7,134 Damaged
5 May 1943 Harbury  United Kingdom 5,081 Damaged
5 May 1943 Wentworth  United Kingdom 5,212 Sunk

See also[edit]

Sources[edit]

  1. ^ "The Type VIIC boat U-628 - German U-boats of WWII - uboat.net". www.uboat.net. Retrieved 10 June 2014. 
  2. ^ "U-628 successes". UBoat.net. Retrieved 10 June 2014. 

Bibliography[edit]

  • Edwards, Bernard (1996). Dönitz and the Wolf Packs - The U-boats at War. pp. 138, 160, 161, 198, 199. ISBN 0-304-35203-9.