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German submarine U-1103 facts for kids

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U995 2004 1.jpg
U-995 Type VIIC/41 at the Laboe Naval Memorial. This U-boat is almost identical to U-1103.
Quick facts for kids
History
Nazi Germany
Name U-1103
Ordered 14 October 1941
Builder Nordseewerke, Emden
Yard number 225
Laid down 26 May 1943
Launched 12 October 1943
Commissioned 8 January 1944
Fate
General characteristics
Type Type VIIC/41 submarine
Displacement
  • 757 long tons (769 t) surfaced
  • 857 long tons (871 t) submerged
Length
  • 67.10 m (220 ft 2 in) o/a
  • 50.50 m (165 ft 8 in) pressure hull
Beam
  • 6.20 m (20 ft 4 in) o/a
  • 4.70 m (15 ft 5 in) pressure hull
Height 9.60 m (31 ft 6 in)
Draught 4.74 m (15 ft 7 in)
Installed power
  • 2 × diesel engines
  • 2,800–3,200 PS (2,100–2,400 kW; 2,800–3,200 bhp) (diesels)
  • 750 PS (550 kW; 740 shp) (electric)
Propulsion
  • 2 × electric motors
  • 2 × screws
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
  • 250 m (820 ft)
  • Calculated crush depth: 250–295 m (820–968 ft)
Complement 44-52 officers & ratings
Armament
  • 5 × 53.3 cm (21 in) torpedo tubes (4 bow, 1 stern)
  • 14 × torpedoes or
  • 26 × TMA or TMB Naval mines
  • 1 × 8.8 cm (3.46 in) deck gun (220 rounds)
  • 1 × 3.7 cm (1.5 in) Flak M42 AA gun
  • 2 × 2 cm (0.79 in) C/30 AA guns
Service record
Part of:
  • 8th U-boat Flotilla
  • 8 January – 1 September 1944
  • 22nd U-boat Flotilla
  • 1 September 1944 – 28 February 1945
  • 31st U-boat Flotilla
  • 1 March – 5 May 1945
Commanders:
  • Kptlt. Hans Bungards
  • 8 January – 2 July 1944
  • Oblt.z.S. Werner Sausmikat
  • 3 July – 8 October 1944
  • Oblt.z.S. Karl-Heinz Schmidt
  • 9 October – 24 November 1944
  • Oblt.z.S. Jürgen Iversen
  • 25 November 1944 – 25 February 1945
  • Kptlt. Wilhelm Eisele
  • 26 February – 5 May 1945
Operations: None
Victories: None

German submarine U-1103 was a Type VIIC/41 U-boat of Nazi Germany's Kriegsmarine during World War II.

She was ordered on 14 October 1941, and was laid down on 26 May 1943, at Nordseewerke, Emden, as yard number 225. She was launched on 12 October 1943, and commissioned under the command of Kapitänleutnant Hans Bungards on 8 January 1944.

Design

German Type VIIC/41 submarines were preceded by the heavier Type VIIC submarines. U-1103 had a displacement of 769 tonnes (757 long tons) when at the surface and 871 tonnes (857 long tons) while submerged. 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), an overall 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 SSW GU 343/38-8 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).

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). 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-1103 was fitted with five 53.3 cm (21 in) torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes or 26 TMA or TMB Naval mines, 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 2 cm (0.79 in) C/30 anti-aircraft guns. The boat had a complement of between forty-four and fifty-two.

Service history

On 5 May 1945, U-1103 surrendered at Cuxhaven, Germany and was later transferred from Wilhelmshaven to Loch Ryan, Scotland. Of the 156 U-boats that eventually surrendered to the Allied forces at the end of the war, U-1103 was one of 116 selected to take part in Operation Deadlight. U-1103 was towed out and sank on 30 December 1945, by naval gunfire.

The wreck now lies at 56°03′N 10°05′W / 56.050°N 10.083°W / 56.050; -10.083.

See also

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