German submarine U-992

Last updated
U-992overgirseg.jpg
U-992 surrendered to HMCS Nene in May 1945
History
War ensign of Germany (1938-1945).svg Nazi Germany
NameU-992
Ordered25 May 1941
Builder Blohm & Voss, Hamburg
Yard number192
Laid down30 October 1942
Launched24 June 1943
Commissioned2 August 1943
Fate
General characteristics
Class and type Type 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
Part of:
Identification codes: M 54 132
Commanders:
Operations:
  • 8 patrols:
  • 1st patrol:
  • a. 18 June – 24 July 1944
  • b. 21 – 24 August 1944
  • 2nd patrol:
  • a. 29 August – 6 September 1944
  • b. 6 – 7 September 1944
  • 3rd patrol:
  • a. 12 September – 3 October 1944
  • b. 3 – 4 October 1944
  • 4th patrol:
  • 18 October – 10 November 1944
  • 5th patrol:
  • 30 November – 8 December 1944
  • 6th patrol:
  • 16 January – 21 February 1945
  • 7th patrol:
  • 17 March – 1 April 1945
  • 8th patrol:
  • a. 1 – 9 May 1945
  • b. 12 May 1945
  • c. 15 – 19 May 1945
Victories: 1 warship total loss
(1,060 tons)

German submarine U-992 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. She was laid down on 30 October 1942 by Blohm & Voss, Hamburg as yard number 192, launched on 24 June 1943 and commissioned on 2 August 1943 under Oberleutnant zur See Hans Falke.

Contents

Design

German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-992 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 Brown, Boveri & Cie GG UB 720/8 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-992 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 one twin 2 cm (0.79 in) C/30 anti-aircraft gun. The boat had a complement of between forty-four and sixty. [2]

Service history

The boat's career began with training at 5th Flotilla on 2 August 1943, followed by active service on 1 March 1944 as part of the 3rd Flotilla. She later transferred to 11th Flotilla on 1 June 1944, then on to 13th Flotilla on 1 October 1944.

Wolfpacks

U-992 took part in seven wolfpacks, namely:

Fate

U-992 surrendered on 9 May 1945 in Narvik. She was initially transferred to Loch Eriboll, Scotland on 19 May 1945, and sunk on 16 December 1945 at 56°10′N10°05′W / 56.167°N 10.083°W / 56.167; -10.083 as part of Operation Deadlight.

Summary of raiding history

DateShip NameNationalityTonnage [Note 1] Fate [3]
13 February 1945 HMS Denbigh Castle Naval Ensign of the United Kingdom.svg  Royal Navy 1,060Total loss

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References

Notes

  1. Merchant ship tonnages are in gross register tons. Military vessels are listed by tons displacement.

Citations

  1. Helgason, Guðmundur. "Hans Falke (German Cross in Gold)". German U-boats of WWII - uboat.net. Retrieved 26 March 2015.
  2. 1 2 3 4 Gröner 1991, pp. 43–46.
  3. Helgason, Guðmundur. "Ships hit by U-992". German U-boats of WWII - uboat.net. Retrieved 26 March 2015.

Bibliography