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German submarine U-393

History
Nazi Germany
NameU-393
Ordered20 January 1941
BuilderHowaldtswerke, Kiel
Yard number25
Laid down8 April 1942
Launched15 May 1943
Commissioned3 July 1943
FateScuttled on 5 May 1945 near the Fyn Islands in Flensburger Förde
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
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
  • 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 52 294
Commanders:
  • Oblt.z.S. Alfred Radermacher
  • 3 July 1943 – 30 September 1944
  • Oblt.z.S. Walter Zenker
  • 1 October 1944 – 13 January 1945
  • Oblt.z.S. Joachim Seeger
  • 14 January – April 1945
  • Oblt.z.S. Friedrich-Georg Herrle
  • April – 4 May 1945
Operations: None
Victories: None

German submarine U-393 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II.

She did not carry out any patrols and did not sink or damage any ships.

She was scuttled on 5 May 1945 in Flensburger Förde.[1]

Design

German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-393 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 Garbe, Lahmeyer & Co. RP 137/c 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-393 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), 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 forty-four and sixty.[2]

Service history

The submarine was laid down on 8 April 1942 at the Howaldtswerke (yard) at Flensburg as yard number 25, launched on 15 May 1943 and commissioned on 3 July under the command of Oberleutnant zur See Alfred Radermacher.

She served with the 5th U-boat Flotilla from 3 July 1943 and the 24th flotilla as a trials vessel from 1 November 1944. She then came under the 5th flotilla once more from 1 April 1945.

Fate

U-393 was bombed by US aircraft in Geltinger Bucht on 4 May 1945. Two men were killed; there were an unknown number of survivors. She was scuttled the following day in the Flensburger Förde near the Fyn Islands.

References

  1. ^ a b Helgason, Guðmundur. "The Type VIIC boat U-393". German U-boats of WWII – uboat.net. Retrieved 9 September 2012.
  2. ^ a b c d Gröner 1991, pp. 43–46.

Bibliography

  • 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.
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