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German submarine U-855
Career (Nazi Germany)
Name: U-855
Ordered: 5 June 1941
Builder: DeSchiMAG AG Weser, Bremen
Yard number: 1061
Laid down: 21 October 1942
Launched: 17 April 1943
Commissioned: 2 August 1943
Fate: probably sunk by mine in position 63°10′N 12°30′W / 63.167°N 12.5°W / 63.167; -12.5Coordinates: 63°10′N 12°30′W / 63.167°N 12.5°W / 63.167; -12.5 on 17/18 September 1944
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: 19 knots (35 km/h; 22 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 53 689
Commanders: Kptlt. Albert Sürenhagen
Oblt.z.S. Prosper Ohlsen
Operations: 2 patrols

German submarine U-855 was a Type IXC/40 U-boat built for Nazi Germany's Kriegsmarine during World War II.

U-855 was ordered in June 1941 from DeSchiMAG AG Weser in Bremen under the yard number 710. Her keel was laid down on 21 October 1942 and the U-boat was launched the following year on 17 April 1943. She was commissioned into service under the command of Kapitänleutnant Albert Sürenhagen (Crew 36) in 4th U-boat Flotilla.

In April 1944 Sürenhagen handed over command to Oberleutnant zur See Prosper Ohlsen (Crew 36). U-855 transferred to the 10th U-boat Flotilla for front-line service and left Kiel for operations in the North Atlantic on 22 June 1944, but experienced engine problems which forced her to return to Kiel. The U-boat left Kiel again on 1 July and served as a weather boat in the North Atlantic until September 1944. An attack on an unescorted freighter on 6 September 1944 was not successful. The next day U-855 met with 516 and supplied her with provisions for twelve days. The following day, 9 September, she refuelled U-516 before making for port. Her last transmission was received on 11 September 1944, after that the U-boat was missing.[2]

Since U-855 would have had to pass through known mine barrages about a week into her return voyage. Since she failed to report the successful passage, as other U-boats would do, she was probably sunk by a mine on 17 October. That day another U-boat in the vicinity, U-804 reported hearing an explosion of a mine. The previous assumption that U-855 was attacked and sunk by a British aircraft, Liberator 'A' of No. 224 Squadron RAF, on 24 September is not correct as this attack damaged U-763.[2]


  1. Gröner 1985, pp. 105-7.
  2. 2.0 2.1 Busch & Röll 1999, p. 291.
  • 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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