Military Wiki
German submarine U-1229
Career (Nazi Germany)
Name: U-1229
Ordered: 14 October 1941
Builder: Deutsche Werft AG, Hamburg
Yard number: 392
Laid down: 2 March 1943
Launched: 22 October 1943
Commissioned: 13 January 1944
Fate: sunk 20 August 1944 by Allied aircraft in position 42°20′N 51°39′W / 42.333°N 51.65°W / 42.333; -51.65Coordinates: 42°20′N 51°39′W / 42.333°N 51.65°W / 42.333; -51.65, 18 dead, 41 survivors
General characteristics [1]
Type: Type IXC/40 submarine
Displacement: 1,144 t (1,126 long tons) surfaced
1,257 t (1,237 long tons) submerged
Length: 76.76 m (251 ft 10 in) o/a
58.75 m (192 ft 9 in) pressure hull
Beam: 6.86 m (22 ft 6 in) o/a
4.44 m (14 ft 7 in) pressure hull
Height: 9.6 m (31 ft 6 in)
Draft: 4.67 m (15 ft 4 in)
Propulsion: 2 × MAN M 9 V 40/46 supercharged 9-cylinder diesel engines, 4,400 hp (3,281 kW)
2 × SSW GU 345/34 double-acting electric motors, 1,000 hp (746 kW)
Speed: 18.3 knots (33.9 km/h; 21.1 mph) surfaced
7.3 kn (13.5 km/h; 8.4 mph) submerged
Range: 13,850 nmi (25,650 km; 15,940 mi) at 10 kn (19 km/h; 12 mph) surfaced
63 nmi (117 km; 72 mi) at 4 kn (7.4 km/h; 4.6 mph) submerged
Test depth: 230 m (750 ft)
Complement: 4 officers, 44 enlisted
Service record
Identification codes: M 55 295
Commanders: K.Kapt. Arnim Zinke

German submarine U-1229 was a Type IXC/40 U-boat built for Nazi Germany's Kriegsmarine during World War II.

U-1229 was ordered in October 1941 from Deutsche Werft AG Weser in Hamburg-Finkenwerder under the yard number 392. Her keel was laid down on 2 March 1943 and was launched on 22 October 1943. About three months later she was commissioned into service under the command of Korvettenkapitän Arnim Zinke (Crew 31) in the 31st U-boat Flotilla.

After completing training and work-up for deployment U-1229 was transferred to the 10th U-boat Flotilla for front-line service on 1 August 1944. The U-boat left Kiel on 13 July 1944 for the first and only war patrol operating unsuccessfully against Allied shipping in the North Atlantic and off the coast of Canada. A special mission to infiltrate an Abwehr agent into the United States failed, when U-1229 was spotted south of Newfoundland by an Radar-equipped aircraft from USS Bogue and subsequently attacked by several more aircraft over a period of two hours. Having been heavily damaged in the initial air attack, U-1229 attempted to escape under water but was forced to surface again as poisonous fumes started to develop from the damaged battery sections. While the crew was abandoning ship, the U-boat was strafed by several aircraft resulting in the death of numerous crew members, including Zinke. In total 18 crew members died while 41 survivors were picked up by a US destroyer after seven hours in the water.


  1. Gröner 1985, pp. 105-6.
  • Busch, Rainer; Röll, Hans-Joachim (1999) (in German). Deutsche U-Boot-Verluste von September 1939 bis Mai 1945. IV. Hamburg, Berlin, Bonn: Mittler. ISBN 3-8132-0514-2. 
  • Gröner, Erich (1985) (in German). U-Boote, Hilfskreuzer, Minenschiffe, Netzleger, Sperrbrecher. III. Koblenz: Bernard & Graefe. ISBN 3-7637-4802-4. 

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