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German submarineU-428

From Wikipedia, the free encyclopedia
German World War II submarine

A cross-section of a Type VIIC U-boat.
History
Nazi Germany
NameU-428
Ordered5 June 1941
BuilderDanziger Werft,Danzig
Yard number129
Laid down13 August 1942
Launched11 March 1943
Commissioned26 June 1943
FateScuttled in northern Germany on 5 May 1945. Wreckbroken up in 1946[1]
General characteristics
Class and 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 55 375
Commanders:
  • C.C. Athos Fraternale
  • 26 June – 8 September 1943
  • Oblt.z.S. Helmut Münster
  • 26 October 1943 – 1 May 1944
  • Oblt.z.S. Hans-Ulrich Hanitsch
  • 2 May 1944 – 3 May 1945
Operations:None
Victories:None

German submarineU-428 was aType VIICU-boat ofNazi Germany'sKriegsmarine duringWorld War II.

She carried out no patrols. She did not sink or damage any ships.

She was scuttled in northern Germany on 5 May 1945. The wreck wasbroken up in 1946.[1]

Design

[edit]

German Type VIIC submarines were preceded by the shorterType VIIB submarines.U-428 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, twoSiemens-Schuckert GU 343/38–8double-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-428 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 two twin2 cm (0.79 in) C/30anti-aircraft guns. The boat had acomplement of between forty-four and sixty.[2]

Service history

[edit]

The submarine waslaid down on 13 August 1942 at theDanziger Werft (yard) atDanzig (now Gdansk), as yard number 129,launched on 11 March 1943 andcommissioned on 26 June under the command ofCapitano di Corvetta Athos Fraternale.

She served with the8th U-boat Flotilla from 26 June 1943 and the23rd flotilla from 1 October. She was reassigned to the31st flotilla on 1 March 1945.

The U-boat was namedS-1 after being acquired by the Italian Navy in exchange for some transport ships. She returned to Germany after the Italian surrender where she was renamedU-428.

Fate

[edit]

The submarine was scuttled in theKiel canal nearAudorf on 5 May 1945. The wreck wasbroken up in 1946.

References

[edit]
  1. ^abcHelgason, Guðmundur."The Type VIIC boat U-428".German U-boats of WWII – uboat.net. Retrieved26 December 2014.
  2. ^abcdGröner 1991, pp. 43–46.

Bibliography

[edit]
  • 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.
  • Busch, Rainer; Röll, Hans-Joachim (1999).Deutsche U-Boot-Verluste von September 1939 bis Mai 1945 [German U-boat losses from September 1939 to May 1945]. Der U-Boot-Krieg (in German). Vol. IV. Hamburg, Berlin, Bonn: Mittler.ISBN 3-8132-0514-2.
  • 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.

External links

[edit]
Type VIIA
Type VIIB
Type VIIC
Type VIIC/41
Type VIID
Type VIIF
Shipwrecks and maritime incidents in May 1945
Shipwrecks
Other incidents
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