German submarine U-1203

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History
Nazi Germany
Name: U-1203
Ordered: 14 October 1941
Builder: Schichau-Werke, Danzig
Yard number: 1573
Laid down: 15 May 1943
Launched: 9 December 1943
Commissioned: 10 February 1944
Fate: Surrendered in Trondheim, Norway on 9 May 1945.
General characteristics
Class & type: Type VIIC submarine
Displacement:
  • 769 tonnes (757 long tons) surfaced
  • 871 t (857 long tons) submerged
Length:
Beam:
  • 6.20 m (20 ft 4 in) o/a
  • 4.70 m (15 ft 5 in) pressure hull
Draught: 4.74 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)
Complement: 4 officers, 40–56 enlisted
Armament:
Service record
Part of:
Commanders:
Operations: 1 patrol
Victories: 1 auxiliary warship sunk (580 tons)

German submarine U-1203 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. She was laid down on 15 May 1943 by Schichau-Werke, Danzig as yard number 1573, launched on 9 December 1943 and commissioned on 10 February 1944 under Kapitänleutnant Erich Steinbrink.

Design

German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-1203 had a displacement of 769 tonnes (757 long tons) when at the surface and 871 tonnes (857 long tons) while submerged.[3] 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 AEG GU 460/8–27 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).[3]

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).[3] 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-1203 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 an anti-aircraft gun. The boat had a complement of between forty-four and sixty.[3]

Service history

The boat's career began with training at 8th Flotilla on 10 February 1944, followed by active service on 1 December 1944 as part of the 11th Flotilla.

Wolfpacks

U-1203 took part in no wolfpacks.

Fate

U-1203 surrendered on 9 May 1945 in Trondheim. She was initially transferred to Loch Ryan, Scotland on 29 May 1945, and sunk on 8 December 1945 at Lua error in package.lua at line 80: module 'strict' not found. as part of Operation Deadlight.

Summary of raiding history

Date Name Nationality Tonnage[Note 1] Fate[4]
24 February 1945 HMY Ellesmere  Royal Navy 580 Sunk

References

Notes

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

Citations

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  2. Lua error in package.lua at line 80: module 'strict' not found.
  3. 3.0 3.1 3.2 3.3 Gröner 1991, pp. 43-46.
  4. Lua error in package.lua at line 80: module 'strict' not found.

Bibliography

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External links

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