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	U-995 Type VIIC/41 at the Laboe Naval Memorial. This U-boat is almost identical to U-1303.
History
Nazi Germany
Name	U-1303
Ordered	2 April 1942
Builder	Flensburger Schiffbau-Gesellschaft, Flensburg
Yard number	496
Laid down	8 April 1943
Launched	10 February 1944
Commissioned	5 April 1944
Fate	Scuttled on 5 May 1945
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; 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:	4th U-boat Flotilla; 5 April 1944 – 5 May 1945;
Identification codes:	M 07 970
Commanders:	Oblt.z.S. Heinz Baum; 5 April 1944 – April 1945; Oblt.z.S. Helmut Herglotz; April – 5 May 1945;
Operations:	None
Victories:	None

German submarine U-1303 was a Type VIIC/41 U-boat of Nazi Germany's Kriegsmarine during World War II.

She was ordered on 2 April 1942, and was laid down on 8 April 1943, at Flensburger Schiffbau-Gesellschaft, Flensburg, as yard number 496. She was launched on 10 February 1944, and commissioned under the command of Oberleutnant zur See Heinz Baum on 5 April 1944.^[3]

Design

German Type VIIC/41 submarines were preceded by the heavier Type VIIC submarines. U-1303 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 AEG GU 460/8-276 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).^[4]

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-1303 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 2 cm (0.79 in) C/30 anti-aircraft guns. The boat had a complement of between forty-four and fifty-two.^[4]

Service history

U-1303 was scuttled in Kupfermühle Bay near Flensburg on 5 May 1945 as part of Operation Regenbogen. Her wreck was raised and broken up later.^[3]

References

^ Helgason, Guðmundur. "Heinz Baum". German U-boats of WWII - uboat.net. Retrieved 31 March 2016.
^ Helgason, Guðmundur. "Helmut Herglotz". German U-boats of WWII - uboat.net. Retrieved 31 March 2016.
^ ^a ^b Helgason, Guðmundur. "U-1303". German U-boats of WWII - uboat.net. Retrieved 31 March 2016.
^ ^a ^b Gröner 1991, pp. 43–44.

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.

[1] Helgason, Guðmundur. "Heinz Baum". German U-boats of WWII - uboat.net. Retrieved 31 March 2016.

[2] Helgason, Guðmundur. "Helmut Herglotz". German U-boats of WWII - uboat.net. Retrieved 31 March 2016.

[uboat-3] Helgason, Guðmundur. "U-1303". German U-boats of WWII - uboat.net. Retrieved 31 March 2016.

[FOOTNOTEGröner199143–44-4] Gröner 1991, pp. 43–44.

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German submarine U-1303

Design

Service history

See also

References

Bibliography

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