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German submarine U-406

Coordinates: 48°32′N 23°36′W / 48.533°N 23.600°W / 48.533; -23.600
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History
Nazi Germany
NameU-406
Ordered16 October 1939
BuilderDanziger Werft, Danzig
Yard number107
Laid down6 September 1940
Launched16 June 1941
Commissioned22 October 1941
FateSunk on 18 February 1944 in the North Atlantic in position 48°32′N 23°36′W / 48.533°N 23.600°W / 48.533; -23.600, by depth charges from HMS Spey.
General characteristics
Class and typeType VIIC submarine
Displacement
Length
Beam
  • 6.20 m (20 ft 4 in) o/a
  • 4.70 m (15 ft 5 in) pressure hull
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
  • 230 m (750 ft)
  • Crush depth: 250–295 m (820–968 ft)
Complement4 officers, 40–56 enlisted
Armament
Service record[1]
Part of:
Identification codes: M 42 202
Commanders:
Operations:
  • 8 patrols:
  • 1st patrol:
  • 4 – 19 April 1942
  • 2nd patrol:
  • 5 May – 1 July 1942
  • 3rd patrol:
  • 9 August – 8 October 1942
  • 4th patrol:
  • 14 December 1942 – 12 January 1943
  • 5th patrol:
  • 22 February – 30 March 1943
  • 6th patrol:
  • 25 April – 11 May 1943
  • 7th patrol:
  • 26 June – 15 September 1943
  • 8th patrol:
  • a. 8 – 10 December 1943
  • b. 20 – 22 December 1943
  • c. 25 – 27 December 1943
  • d. 29 – 31 December 1943
  • e. 5 January – 18 February 1944
Victories:
  • 1 merchant ship sunk
    (7,452 GRT)
  • 3 merchant ships damaged
    (13,285 GRT)

German submarine U-406 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. She was laid down on 6 September 1940 by Danziger Werft, Danzig as yard number 107, launched on 16 June 1941 and commissioned on 22 October 1941 under Oberleutnant zur See Horst Dietrichs, the ship's only commander.

Design

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German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-406 had a displacement of 769 tonnes (757 long tons) when at the surface and 871 tonnes (857 long tons) while submerged.[2] 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 Siemens-Schuckert GU 343/38–8 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).[2]

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).[2] 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-406 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 a 2 cm (0.79 in) C/30 anti-aircraft gun. The boat had a complement of between forty-four and sixty.[2]

Service history

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The boat's career began with training at 8th U-boat Flotilla on 22 October 1941, followed by active service on 1 May 1942 as part of the 7th Flotilla for the remainder of her service.

She was attacked by a torpedo from a British Submarine on 5 May 1942, but the torpedo missed.

During the attack of Convoy ON 92 on May 11 and May 12, 1942, U-406 would suffer from torpedo launch failures on two separate occasions thus failing to hit any ship.

On 5 May 1943, the boat collided with U-600, causing heavy damage to both ships and required a premature return to base in Saint Nazaire, France.

In eight patrols she sank one merchant ship, for a total of 7,452 gross register tons (GRT), and damaged three merchant ships for a total of 13,285 GRT.

Wolfpacks

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U-406 took part in eleven wolfpacks:

  • Hecht (8 May – 18 June 1942)
  • Blücher (14 – 28 August 1942)
  • Iltis (6 – 23 September 1942)
  • Spitz (22 – 31 December 1942)
  • Neuland (4 – 13 March 1943)
  • Dränger (14 – 20 March 1943)
  • Drossel (29 April – 5 May 1943)
  • Rügen (14 – 26 January 1944)
  • Stürmer (26 January – 3 February 1944)
  • Igel 1 (3 – 17 February 1944)
  • Hai 1 (17 – 18 February 1944)

Fate

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Captured survivors from U-406 and U-386 disembark the Sprey in Liverpool.

U-406 was sunk on 18 February 1944 in the North Atlantic in position 48°32′N 23°36′W / 48.533°N 23.600°W / 48.533; -23.600, by depth charges from Royal Navy frigate HMS Spey. Twelve of the crew were killed, while 45 survived.



Summary of raiding history

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Date Ship Name Nationality Tonnage
(GRT)
Fate[3]
19 August 1942 City of Manila  United Kingdom 7,452 Sunk
28 December 1942 Baron Cochrane  United Kingdom 3,385 Damaged
28 December 1942 Lynton Grange  United Kingdom 5,029 Damaged
28 December 1942 Zarian  United Kingdom 4,871 Damaged

Legacy

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U-406 is mentioned in Wolfpack, a song released by the Power metal band Sabaton in their 2005 debut studio album Primo Victoria.

See also

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References

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  1. ^ Helgason, Guðmundur. "The Type VIIC boat U-406". German U-boats of WWII - uboat.net. Retrieved 5 November 2014.
  2. ^ a b c d Gröner 1991, pp. 43–46.
  3. ^ Helgason, Guðmundur. "Ships hit by U-406". German U-boats of WWII - uboat.net. Retrieved 5 November 2014.

Bibliography

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  • Busch, Rainer; Röll, Hans-Joachim (1999). German U-boat commanders of World War II : a biographical dictionary. Translated by Brooks, Geoffrey. London, Annapolis, Md: Greenhill Books, Naval Institute Press. ISBN 1-55750-186-6.
  • Edwards, Bernard (1996). Dönitz and the Wolf Packs - The U-boats at War. Cassell. pp. 66, 137, 173. ISBN 0-304-35203-9.
  • Gröner, Erich; Jung, Dieter; Maass, Martin (1991). U-boats and Mine Warfare Vessels. German Warships 1815–1945. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN 0-85177-593-4.
  • Sharpe, Peter (1998). U-Boat Fact File. Great Britain: Midland Publishing. ISBN 1-85780-072-9.
[edit]
  • Helgason, Guðmundur. "The Type VIIC boat U-406". German U-boats of WWII - uboat.net. Retrieved 26 December 2014.
  • Hofmann, Markus. "U 406". Deutsche U-Boote 1935-1945 - u-boot-archiv.de (in German). Retrieved 26 December 2014.