German submarine U-399

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Career (Nazi Germany)
Name: U-399
Ordered: 20 January 1941
Builder: Howaldtswerke, Kiel
Yard number: 31
Laid down: 12 November 1942
Launched: 4 December 1943
Commissioned: 22 January 1944
Fate: Sunk in the English Channel, March 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 × GL RP 137/c 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 knots (19 km/h; 12 mph) surfaced
80 nmi (150 km; 92 mi) at 4 knots (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
Armament:
Service record[2]
Part of: 5th U-boat Flotilla
(22 January–2 July 1944)
11th U-boat Flotilla
(1 February–26 March 1945)
Commanders: Oblt.z.S. Kurt van Meteren
(22 January–2 July 1944)
Oblt.z.S. Heinz Bhuse
(3 July 1944–26 March 1945)
Operations: 6 February–26 March 1945
Victories: One ship sunk (362 GRT), one ship declared a total loss (7,176 GRT)

German submarine U-399 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II.

She carried out one patrol. She sank one ship and caused another to be declared a total loss.

She was sunk in the English Channel in March 1945.

Service history[edit]

The submarine was laid down on 12 November 1942 at the Howaldtswerke (yard) at Kiel as yard number 31, launched on 4 December 1943 and commissioned on 22 January 1944 under the command of Oberleutnant zur See Kurt van Meteren.

She served with the 5th U-boat Flotilla from 22 January 1944 and the 11th flotilla from 1 February 1945.

The boat's first patrol was preceded by the short journey from Kiel in Germany to Horten (south of Oslo), arriving at the Norwegian port on 28 January 1945.

Patrol and loss[edit]

U-399 departed Horten on 6 February 1945. On 21 March, she torpedoed the Liberty ship James Eagan Layne "about twelve miles off Plymouth".[3] The ship was beached at nearby Whitesand Bay but settled on the bottom; at high water, only her masts and funnel showed. She was declared a total loss.

The boat sank the Dutch-registered Pacific on 26 March 1945. This ship had taken part in Operation Dynamo, the Dunkirk evacuation, in 1940.

U-399 was sunk later on the same day by depth charges from the British frigate HMS Duckworth.

Forty-six men died in U-399; there was one survivor.

Summary of Raiding Career[edit]

Date Ship Name Nationality Displacement Fate[4]
21 March 1945 James Eagan Layne  United States 7,176 Total loss
26 March 1945 Rosenborg  Netherlands 362 Sunk

References[edit]

Notes
  1. ^ Kemp, Paul: U-Boats Destroyed - German Submarine Losses in the World Wars, 1997, Arms & Armour, ISBN 1-85409-515-3, p. 239
  2. ^ "The Type VIIC boat U-399 - German U-boats of WWII - uboat.net". www.uboat.net. Retrieved 10 September 2012. 
  3. ^ http://uboat.net/boats/u399/htm
  4. ^ http://uboat.net/boats/successes/u399/html
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. 

External links[edit]

See also[edit]