German submarine U-1056

Last updated

U 570.jpg
Type VIIC submarine U-570 which looked almost identical to U-1056.
History
War ensign of Germany (1938-1945).svg Nazi Germany
NameU-1056
Ordered5 June 1941
Builder Friedrich Krupp Germaniawerft AG, Kiel
Yard number690
Laid down21 June 1943
Launched30 March 1944
Commissioned29 April 1944
FateScuttled on 5 May 1945
General characteristics
Class and type Type VIIC submarine
Displacement
Length
Beam
  • 6.20 m (20 ft 4 in) o/a
  • 4.70 m (15 ft 5 in) pressure hull
Height9.60 m (31 ft 6 in)
Draught4.74 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)
Propulsion
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
  • 220 m (720 ft)
  • Crush depth: 250–295 m (820–968 ft)
Complement4 officers, 44–52 enlisted
Armament
Service record
Part of:
Identification codes: M 23 837
Commanders:
  • Oblt.z.S. Rudolf Schwarz [1]
  • 29 April – December 1944
  • Oblt.z.S. Gustav Schröder [2]
  • January – 5 May 1945
Operations: None
Victories: None

German submarine U-1056 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II.

Contents

She was ordered on 5 June 1941, and was laid down on 21 June 1943 at Friedrich Krupp Germaniawerft AG, Kiel, as yard number 690. She was launched on 30 March 1944 and commissioned under the command of Oberleutnant zur See Rudolf Schwarz on 29 April 1944. [3]

Design

German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-1056 had a displacement of 769 tonnes (757 long tons) when at the surface and 871 tonnes (857 long tons) while submerged. [4] She 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 460/8-276 double-acting electric motors producing a total of 750 metric horsepower (550 kW; 740 shp) for use while submerged. She had two shafts and two 1.23 m (4 ft) propellers. The boat was capable of operating at depths of up to 230 metres (750 ft). [4]

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). [4] When submerged, the boat could operate for 80 nautical miles (150 km; 92 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 8,500 nautical miles (15,700 km; 9,800 mi) at 10 knots (19 km/h; 12 mph). U-1056 was fitted with five 53.3 cm (21 in) torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes or 26 TMA mines, one 8.8 cm (3.46 in) SK C/35 naval gun, (220 rounds), one 3.7 cm (1.5 in) Flak M42 and two twin 2 cm (0.79 in) C/30 anti-aircraft guns. The boat had a complement of between 44 — 52 men. [4]

Service history

U-1056 was scuttled near Gelting in Gelting Bay on 5 May 1945 as part of Operation Regenbogen. Her wreck was raised and broken. [3]

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References

  1. Helgason, Guðmundur. "Rudolf Schwarz". German U-boats of WWII - uboat.net. Retrieved 9 April 2016.
  2. Helgason, Guðmundur. "Gustav Schröder". German U-boats of WWII - uboat.net. Retrieved 9 April 2016.
  3. 1 2 Helgason, Guðmundur. "U-1056". German U-boats of WWII - uboat.net. Retrieved 9 April 2016.
  4. 1 2 3 4 Gröner 1991, pp. 43–46.

Bibliography