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German submarine U-425

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German submarine U-425

Career (Nazi Germany)
Name: U-425
Ordered: 5 June 1941
Builder: Danziger Werft, Danzig
Yard number: 126
Laid down: 23 May 1942
Launched: 19 December 1942
Commissioned: 21 April 1943
Fate: Sunk by British warships, near Murmansk, February 1945[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 and ratings
Service record[2]
Part of: 8th U-boat Flotilla
(21 April–31 October 1943)
9th U-boat Flotilla
(1 November–31 December 1943)
11th U-boat Flotilla
(1 January–28 September 1944)
13th U-boat Flotilla
(15 September–17 February 1945)
Commanders: Kptlt. Heinz Bentzien
(21 April 1943–17 February 1945)
Operations: 1st patrol:
20–25 November 1943
2nd patrol:
28 December 1943–2 February 1944
3rd patrol:
6–29 February 1944
4th patrol:
11 May–7 June 1944
5th patrol:
18 July–8 August 1944
6th patrol:
a. 21 August–23 August 1944
b. 29 August–5 September 1944
c. 6 September–8 September 1944
7th patrol:
a. 11–13 September 1944
b. 14 September–3 October 1944
8th patrol:
a. 15–24 October 1944
b. 24 October–12 November 1944
9th patrol:
6–17 February 1945
Victories: None

German submarine U-425 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II.

She carried out nine patrols. She sank no ships.

She was a member of eight wolfpacks.

She was sunk by British warships, near Murmansk in February 1945.

Service history

The submarine was laid down on 23 May 1941 at the Danziger Werft at Danzig (now Gdansk) as yard number 126, launched on 19 December 1942 and commissioned on 21 April 1943 under the command of Kapitänleutnant Heinz Bentzien.

She served with the 8th U-boat Flotilla from 21 April 1943 for training and the 9th flotilla from 1 November for operations. She was reassigned to the 11th flotilla on 1 January 1944, then the 13th flotilla on 15 September of that year.

1st patrol

U-425 '​s first patrol began with her departure from Kiel on 20 November 1943. Having cleared the Kattegat and Skagerrak, the boat followed the Norwegian coast to Bergen; arriving there on the 25th.

2nd patrol

The submarine criss-crossed the Norwegian and Barents Seas between the North Cape and Bear Island before docking in Hammerfest on 2 February 1944.

3rd and 4th patrols

The boat's third and fourth patrols were relatively uneventful; the latter following short trips from Hammerfest to Bergen, to Narvik. The patrol itself was carried out between Jan Mayen and Bear Islands.

6th, 7th, 8th and 9th patrols and loss

A regular pattern then emerged between Hammerfest and Narvik. Part of her sixth sortie took U-425 as far north and east as the southern end of Novaya Zemlya in the Pechoskoye More.[3]

The boat was sunk by depth charges dropped by the British sloop HMS Lark and the corvette HMS Alnwick Castle near Murmansk on 17 February 1945.

Wolf packs

U-425 took part in 8 wolfpacks, namely.

  • Isegrim (1 Jan 1944 - 27 Jan 1944)
  • Werwolf (29 Jan 1944 - 1 Feb 1944)
  • Werwolf (7 Feb 1944 - 27 Feb 1944)
  • Trutz (13 May 1944 - 6 Jun 1944)
  • Dachs (31 Aug 1944 - 3 Sep 1944)
  • Grimm (15 Sep 1944 - 1 Oct 1944)
  • Panther (17 Oct 1944 - 10 Nov 1944)
  • Rasmus (6 Feb 1945 - 13 Feb 1945)


  1. ^ Kemp, Paul: U-Boats Destroyed - German Submarine Losses in the World Wars, 1997, Arms & Armour, ISBN 1-85409-515-3, pp. 232 and 233
  2. ^ "The Type VIIC boat U-425 - German U-boats of WWII -". Retrieved 17 September 2012. 
  3. ^ The Times Atlas of the World - Third edition, revised 1995, ISBN 0 7230 0809 4, p. 20

External links

  • at uboat.netU-425
  • at ubootwaffe.netU-425
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