German submarine U-355

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History
Nazi Germany
Name: U-355
Ordered: 26 October 1939
Builder: Flensburger Schiffbau-Gesellschaft, Flensburg
Yard number: 474
Laid down: 4 May 1940
Launched: 5 July 1941[1]
Commissioned: 29 October 1941[1]
Fate: Unknown
Status: Listed as missing, 4 April 1944
General characteristics
Class & type: Type VIIC submarine
Displacement:
  • 769 tonnes (757 long tons) surfaced
  • 871 t (857 long tons) submerged
Length:
Beam:
  • 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)
Draught: 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)
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:
  • 230 m (750 ft)
  • Crush depth: 250–295 m (820–968 ft)
Complement: 4 officers, 40–56 enlisted
Armament:
Service record[2][3]
Part of:
Commanders:
  • K.Kapt. Günter La Baume
  • 29 October 1941 – 4 April 1944
Operations:
  • 1st patrol: 16 June – 12 July 1942
  • 2nd patrol: 25 July – 24 August 1942
  • 3rd patrol: 2 February – 6 March 1943
  • 4th patrol: 17 March – 17 April 1943
  • 5th patrol: 6 July – 5 August 1943
  • 6th patrol: 16 August – 5 September 1943
  • 7th patrol: 6–9 September 1943
  • 8th patrol: 2–25 October 1943
  • 9th patrol: 25 March – 4 April 1944
Victories: one commercial ship sunk (5,082 GRT)

German submarine U-355 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down in May 1940 at the Flensburger Schiffbau-Gesellschaft yard at Flensburg, launched in July 1941, and commissioned in October under the command of Kapitänleutnant Günter La Baume. After training with the 5th U-boat Flotilla, U-355 was transferred to the 11th U-boat Flotilla, based at Bergen in Norway, for front-line service from 1 July 1942.[2] The boat went missing on 1 April 1944 while on patrol, and was never heard from again.

Design

A cross-section of a Type VIIC submarine

German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-355 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 460/8–27 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-355 was fitted with five 53.3 cm (21 in) torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes, one 8.8 cm (3.46 in) SK C/35 naval gun, 220 rounds, and an anti-aircraft gun. The boat had a complement of between forty-four and sixty.[4]

Service history

U-355 was ordered by the Kriegsmarine on 26 October 1939. She was laid down about six months later at the Flensburger Schiffbau-Gesellschaft yard at Flensburg, on 4 May 1940. Just over a year and a month later, U-355 was launched on 5 July 1941. She was formally commissioned later that year on 29 October 1941.

Patrols

U-355 sailed from Kiel on 1 June 1942, arriving at Skjomenfjord, near Narvik, six days later.[3] She sailed on her first combat patrol ten days later, on 16 June, and headed out into the Barents Sea.[5]

There, on 7 July 1942, she sank the 5,082 ton British merchant ship SS Hartlebury, dispersed from Convoy PQ 17, en route to Arkhangelsk, carrying six vehicles, 36 tanks, seven aircraft and 2,409 tons of military stores. The ship, hit by three torpedoes, sank within 10 minutes around 17 miles west of Novaya Zemlya. Of the crew, 29 men, seven gunners, and two naval signalmen were killed. The master and 12 men landed at Pomorski Bay, Novaya Zemlya. Another seven survivors took shelter on the American merchant ship SS Winston-Salem, (also of PQ 17), which had run aground and been abandoned on North Gusini Shoal, Novaya Zemlya, and were later rescued by a Soviet survey ship.[6] The U-boat returned to Narvik on 12 July after 27 days at sea.[3]

This was U-355's only success despite sailing on another eight patrols operating against the Arctic convoys between July 1942 and April 1944, totaling 187 days at sea.[3]

Fate

On 1 April 1944, during her ninth patrol, U-355 reported from approximate position Lua error in package.lua at line 80: module 'strict' not found. while in pursuit of Convoy JW 58. She was never heard from again, and was listed as missing, together with 52 hands on board, on 4 April 1944.[2] Post-war analysis led the Admiralty to credit her destruction to HMS Beagle and aircraft from HMS Tracker.[1] Other sources dispute this, claiming U-355 was lost due to an unknown cause.[7]

Wolfpacks

U-355 took part in five wolfpacks, namely.

  • Eisteufel (21 June – 9 July 1942)
  • Nebelkönig (27 July – 14 August 1942)
  • Eisbär (27 March – 15 April 1943)
  • Monsun (19–21 October 1943)
  • Blitz (26 March – 4 April 1944)

Summary of raiding history

Date Ship Tons Nationality Fate[8]
7 July 1942 Hartlebury 5,082  United Kingdom Sunk

References

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Bibliography

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  • Axel Neistle : German U-Boat Losses during World War II (1998). ISBN 1-85367-352-8

External links

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  1. ↑ 1.0 1.1 1.2 Kemp 1999, p. 180.
  2. ↑ 2.0 2.1 2.2 Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ 3.0 3.1 3.2 3.3 Lua error in package.lua at line 80: module 'strict' not found.
  4. ↑ 4.0 4.1 4.2 4.3 Gröner 1991, pp. 43-46.
  5. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ Neistle p57, 226
  8. ↑ Lua error in package.lua at line 80: module 'strict' not found.
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