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German submarineU-604

From Wikipedia, the free encyclopedia
German World War II submarine

History
Nazi Germany
NameU-604
Ordered22 May 1940
BuilderBlohm & Voss,Hamburg
Yard number580
Laid down27 February 1941
Launched16 November 1941
Commissioned8 January 1942
FateScuttled on 11 August 1943 at position04°30′S21°20′W / 4.500°S 21.333°W /-4.500; -21.333 in theSouth Atlantic after being depth charged by two US aircraft, aVentura and aLiberator.
General characteristics
Class & typeType VIICsubmarine
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
  • 17.7knots (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 27 582
Commanders:
Operations:
  • 6 patrols:
  • 1st patrol:
  • 4 August – 8 September 1942
  • 2nd patrol:
  • 14 October – 5 November 1942
  • 3rd patrol:
  • 26 November – 31 December 1942
  • 4th patrol:
  • 8 February – 9 March 1943
  • 5th patrol:
  • 22 – 26 April 1943
  • 6th patrol:
  • 24 June – 11 August 1943
Victories:6 merchant ships sunk
(39,891 GRT)

German submarineU-604 was aType VIICU-boat built forNazi Germany'sKriegsmarine for service duringWorld War II.She waslaid down on 27 February 1941 byBlohm & Voss inHamburg as yard number 580,launched on 16 November 1941 andcommissioned on 8 January 1942 underKapitänleutnantHorst Höltring (German Cross in Gold).

Design

[edit]

German Type VIIC submarines were preceded by the shorterType VIIB submarines.U-604 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), apressure hull length of 50.50 m (165 ft 8 in), abeam of 6.20 m (20 ft 4 in), a height of 9.60 m (31 ft 6 in), and adraught of 4.74 m (15 ft 7 in). The submarine was powered by twoGermaniawerft F46 four-stroke, six-cylindersuperchargeddiesel 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, twoBrown, Boveri & Cie GG UB 720/8double-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-604 was fitted with five 53.3 cm (21 in)torpedo tubes (four fitted at the bow and one at the stern), fourteentorpedoes, one8.8 cm (3.46 in) SK C/35 naval gun, 220 rounds, and a2 cm (0.79 in) C/30 anti-aircraft gun. The boat had acomplement of between forty-four and sixty.[2]

Service history

[edit]

The boat's service began on 8 January 1942 for training as part of the5th U-boat Flotilla. After training was completed she transferred to the9th flotilla on 1 August 1942 for active service.

In 6 patrols she sank 6 ships for a total of 39,891 gross register tons (GRT).

Wolfpacks

[edit]
U-604 under attack of the VB-129.

She took part in fivewolfpacks, namely:

  • Vorwärts (25 August – 1 September 1942)
  • Streitaxt (20 – 31 October 1942)
  • Draufgänger (1 – 11 December 1942)
  • Ungestüm (11 – 22 December 1942)
  • Knappen (19 – 25 February 1943)

Fate

[edit]

She was scuttled on 11 August 1943 at position04°30′S21°20′W / 4.500°S 21.333°W /-4.500; -21.333 in theSouth Atlantic after being depth charged by two US aircraft, aVentura and aLiberator. Her crew was rescued byU-185.

Summary of raiding history

[edit]
DateShip NameNationalityTonnage
(GRT)
Fate[3]
25 August 1942AbbekerkNetherlands7,906Sunk
27 October 1942Anglo MaerskUnited Kingdom7,705Sunk
30 October 1942Président DoumerUnited Kingdom11,898Sunk
30 October 1942Baron VernonUnited Kingdom3,642Sunk
2 December 1942CoamoUnited States7,057Sunk
23 February 1943StockportUnited Kingdom1,683Sunk

References

[edit]
  1. ^Helgason, Guðmundur."The Type VIIC boat U-604".German U-boats of WWII - uboat.net. Retrieved30 April 2014.
  2. ^abcdGröner 1991, pp. 43–46.
  3. ^Helgason, Guðmundur."Ships hit by U-604".German U-boats of WWII - uboat.net. Retrieved30 April 2014.

Bibliography

[edit]

External links

[edit]
Type VIIA
Type VIIB
Type VIIC
Type VIIC/41
Type VIID
Type VIIF
Shipwrecks and maritime incidents in August 1943
Shipwrecks
Other incidents
National
Other
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