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German submarine U-429

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Title: German submarine U-429  
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German submarine U-429

Nazi Germany
Name: U-429
Ordered: 25 August 1941
Builder: Danziger Werft, Danzig
Yard number: 130
Laid down: 14 September 1942
Launched: 30 March 1943
Commissioned: 14 July 1943
Fate: Destroyed by bombing, 30 March 1945
General characteristics
Class & type: Type VIIC submarine
  • 769 tonnes (757 long tons) surfaced
  • 871 t (857 long tons) submerged
  • 6.20 m (20 ft 4 in) o/a
  • 4.70 m (15 ft 5 in) pressure hull
Height: 9.60 m (31 ft 6 in)
Draft: 4.74 m (15 ft 7 in)
Installed power:
  • 2,800–3,200 PS (2,100–2,400 kW; 2,800–3,200 bhp) (diesels)
  • 750 PS (550 kW; 740 shp) (electric)
  • 17.7 knots (32.8 km/h; 20.4 mph) surfaced
  • 7.6 knots (14.1 km/h; 8.7 mph) submerged
  • 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: 4 officers, 40–56 enlisted
Service record[1]
Part of:
  • Kptlt. Ernst-August Racky
  • 27 October 1943 – 15 October 1944
  • Kptlt. Martin Kuttkat
  • 16 October 1944 – 30 March 1945
Operations: None1
Victories: None

German submarine U-429 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine originally built for the Italian Regia Marina during World War II. Her keel was laid down on 14 September 1942 by Danziger Werft of Danzig. She was then commissioned as S-4 on 14 July 1943 under the command of an Italian captain.[1]

Following the Italian armistice on 8 September 1943, the Kriegsmarine took possession of the U-429, which was still in German waters, along with the U-428 and U-430. These boats were not deemed advanced or useful enough for full war service and on 27 October 1943 they were turned over to training flotillas for service in the Baltic Sea, training up submarine crews for despatch to operating boats, mainly based in France. After a very uneventful service life, the U-429 was caught in an open dock during a U.S. Eighth Air Force raid on the city of Wilhelmshaven on 30 March 1945, and destroyed by bombing, although her crew were not on board at the time of the attack.


  • Design 1
  • Modern dramatisation 2
  • References 3
  • Bibliography 4
  • External links 5


German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-429 had a displacement of 769 tonnes (757 long tons) when at the surface and 871 tonnes (857 long tons) while submerged.[2] It had a total length of 67.10 m (220 ft 2 in), a pressure hull length of 50.50 m (165 ft 8 in), a beam of 6.20 m (20 ft 4 in), a height of 9.60 m (31 ft 6 in), and a draught of 4.74 m (15 ft 7 in). The submarine was powered by two Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines producing a total of 2,800 to 3,200 metric horsepower (2,060 to 2,350 kW; 2,760 to 3,160 shp) for use while surfaced, two Siemens-Schuckert GU 343/38–8 double-acting electric motors producing a total of 750 shaft horsepower (760 PS; 560 kW) for use while submerged. It had two shafts and two 1.23 m (4 ft) propellers. It was capable of operating at depths of up to 230 metres (750 ft).[2]

The submarine had a maximum surface speed of 17.7 knots (32.8 km/h; 20.4 mph) and a maximum submerged speed of 7.6 knots (14.1 km/h; 8.7 mph).[2] When submerged, it could operate for 80 nautical miles (150 km; 92 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, it could travel 8,500 nautical miles (15,700 km; 9,800 mi) at 10 knots (19 km/h; 12 mph). U-429 was fitted with five 53.3 cm (21 in) torpedo tubes (four fitted at its bow and one at its stern), fourteen torpedoes, one 8.8 cm (3.46 in) SK C/35 naval gun, 220 rounds, and an anti-aircraft gun. It had a complement of between forty-four and sixty.[2]

Modern dramatisation

The 2003 film In Enemy Hands features a fictional U-429, which captures the crew of a fictional version of USS Swordfish.[3]


  1. ^ a b Helgason, Guðmundur. "The Type VIIC boat U-429". German U-boats of WWII - Retrieved 2009-08-25. 
  2. ^ a b c d Gröner 1985, pp. 72-74.
  3. ^ "In Enemy Hands (2004)". Retrieved 2009-08-25. 


  • 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).  
  • Gröner, Erich (1985). U-Boote, Hilfskreuzer, Minenschiffe, Netzleger, Sperrbrecher. Die deutschen Kriegsschiffe 1815-1945 (in German) III (Koblenz:  
  • Sharpe, Peter (1998). U-Boat Fact File. Great Britain: Midland Publishing.  

External links

  • Helgason, Guðmundur. "The Type VIIC boat U-429". German U-boats of WWII - Retrieved 26 December 2014. 
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