German submarine U-1055
|Career (Nazi Germany)|
|Ordered:||5 June 1941|
|Laid down:||30 March 1943|
|Launched:||9 March 1944|
|Commissioned:||8 April 1944|
|Fate:||Missing since 23 April 1945 in the North Atlantic.|
|General characteristics |
|Class & type:||Type VIIC submarine|
|Height:||9.60 m (31 ft 6 in)|
|Draft:||4.74 m (15 ft 7 in)|
|Complement:||4 officers, 40–56 enlisted|
|Victories:||4 merchant ships sunk (19,413 GRT)|
German submarine U-1055 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. She was laid down on 30 March 1943 by Friedrich Krupp Germaniawerft, Kiel as yard number 689, launched on 9 March 1944 and commissioned on 8 April 1944 under Oberleutnant zur See Rudolf Meyer.
She was fitted with a Schnorchel underwater breathing apparatus in November 1944.
German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-1055 had a displacement of 769 tonnes (757 long tons) when at the surface and 871 tonnes (857 long tons) while submerged. 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 AEG GU 460/8–27 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).
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). 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-1055 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.
In two patrols she sank four merchant ships, for a total of 19,413 gross register tons (GRT).
U-1055 went missing on 23 April 1945 in the North Atlantic with no explanation. All hands were lost.
Summary of raiding career
|9 January 1945||Jonas Lie||United States||7,198||Sunk|
|11 January 1945||Roanoke||United States||2,606||Sunk|
|11 January 1945||Normandy Coast||United Kingdom||1,428||Sunk|
|15 January 1945||Maja||United Kingdom||8,181||Sunk|
- 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.
- Sharpe, Peter (1998). U-Boat Fact File. Great Britain: Midland Publishing. ISBN 1-85780-072-9.
- Helgason, Guðmundur. "The Type VIIC boat U-1055". German U-boats of WWII - uboat.net. Retrieved 8 December 2014.