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German submarine U-317

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Title: German submarine U-317  
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German submarine U-317

Career (Nazi Germany)
Name: U-317
Ordered: 14 October 1941
Builder: Flender Werke, Lübeck
Yard number: 317
Laid down: 12 September 1942
Launched: 1 September 1943
Commissioned: 23 October 1943
Fate: Sunk, 26 June 1944[1]
General characteristics
Type: Type VIIC/41 submarine
Displacement: 759 tonnes (747 long tons) surfaced
860 t (846 long tons) submerged
Length: 67.10 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: 250 m (820 ft)
Crush depth: 275–325 m (902–1,066 ft)
Complement: 44–52 officers and ratings
Service record[2][3]
Part of: 4th U-boat Flotilla
(23 October 1943–31 May 1944)
9th U-boat Flotilla
(1–26 June 1944)
Commanders: Oblt.z.S.. Peter Rahlf
(23 October 1943–26 June 1944)
Operations: 1st patrol: 31 May–2 June 1944
2nd patrol: 21 June–26 June 1944
Victories: None

German submarine U-317 was a Type VIIC/41 U-boat of Nazi Germany's Kriegsmarine during World War II.

The submarine was laid down on 12 September 1942 at the Flender Werke at Lübeck, launched on 1 September 1943, and commissioned on 23 October 1943 under the command of Oberleutnant zur See Peter Rahlf.

Service history

U-317 served with the 4th U-boat Flotilla for training, and later with the 9th U-boat Flotilla in front-line service from 1 to 26 June 1944.[2]

U-317 '​s first patrol took her from Kiel in Germany to Egersund in Norway, between 31 May and 2 June 1944. She then sailed from Egersund on 21 June for her second and final patrol.[3]

U-317 was sunk with all hands on 26 June 1944, northeast of the Shetland islands, in position , by depth charges dropped by a Liberator anti-submarine bomber of No. 86 Squadron RAF.[2]


  1. ^ Kemp, Paul: U-Boats Destroyed - German Submarine Losses in the World Wars, 1999, Arms & Armour, ISBN 1-85409-515-3, p. 199.
  2. ^ a b c "The Type VIIC/41 boat U-317 - German U-boats of WWII -". Retrieved 2010-01-04. 
  3. ^ a b "War Patrols by German U-boat U-317 - Boats -". Retrieved 2010-01-04. 
  • 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 . 
  • Gröner, Erich (1985). U-Boote, Hilfskreuzer, Minenschiffe, Netzleger, Sperrbrecher. Die deutschen Kriegsschiffe 1815-1945 (in German) III (Koblenz: Bernard & Graefe). ISBN . 
  • Bishop, Chris (2006). Kriegsmarine U-Boats, 1939-45. London: Amber Books. ISBN . 

External links

  • Hofmann, Markus. "U-317". Deutsche U-Boote 1935-1945 - (in German). Retrieved 2014-12-06. 
  • Helgason, Guðmundur. "The Type VII/C41 boat U-317". German U-boats of WWII - Retrieved 6 December 2014. 
  • at ubootwaffe.netU-317
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