German submarine U-83 (1940)

	U-52, a typical Type VIIB boat
History
Nazi Germany
Name	U-83
Ordered	9 June 1938
Builder	Flender Werke, Lübeck
Yard number	291
Laid down	5 October 1939
Launched	9 December 1940
Commissioned	8 February 1941
Fate	Sunk, 4 March 1943 by a British aircraft
Badge
General characteristics
Class and type	Type VIIB submarine
Displacement	753 tonnes (741 long tons) surfaced; 857 t (843 long tons) submerged;
Length	66.50 m (218 ft 2 in) o/a; 48.80 m (160 ft 1 in) pressure hull;
Beam	6.20 m (20 ft 4 in) o/a; 4.70 m (15 ft 5 in) pressure hull;
Height	9.50 m (31 ft 2 in)
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	2 shafts; 2 × diesel engines; 2 × electric motors;
Speed	17.9 knots (33.2 km/h; 20.6 mph) surfaced; 8 knots (15 km/h; 9.2 mph) submerged;
Range	9,400 nmi (17,400 km; 10,800 mi) at 10 knots (19 km/h; 12 mph) surfaced; 90 nmi (170 km; 100 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged;
Test depth	220 m (720 ft); Crush depth: 230–250 m (750–820 ft);
Complement	4 officers, 40–56 enlisted
Sensors and ; processing systems	Gruppenhorchgerät
Armament	4 × 53.3 cm (21 in) torpedo tubes (four bow); 12 × torpedoes or 26 TMA mines; 1 × 8.8 cm (3.46 in) deck gun (220 rounds); 1 × 2 cm (0.79 in) C/30 anti-aircraft gun;
Service record
Part of:	1st U-boat Flotilla; 8 February – 31 December 1941; 23rd U-boat Flotilla; 1 January – 30 April 1942; 29th U-boat Flotilla; 1 May 1942 – 4 March 1943;
Identification codes:	M 32 441
Commanders:	Oblt.z.S. / Kptlt. Hans-Werner Kraus; 8 February 1941 – 21 September 1942; Kptlt. Ulrich Wörisshoffer; 16 October 1942 – 4 March 1943;
Operations:	12 patrols:; 1st patrol:; 26 July – 9 September 1941; 2nd patrol:; 28 September – 31 October 1941; 3rd patrol:; 11 – 23 December 1941; 4th patrol:; 25 – 30 December 1941; 5th patrol:; 12 – 24 February 1942; 6th patrol:; a. 10 – 21 March 1942; b. 24 – 28 March 1942; 7th patrol:; 5 April – 30 May 1942; 8th patrol:; 4 – 20 June 1942; 9th patrol:; a. 6 – 20 August 1942; b. 31 August – 4 September 1942; 10th patrol:; 21 November – 17 December 1942; 11th patrol:; 12 – 31 January 1943; 12th patrol:; 1 – 4 March 1943;
Victories:	5 merchant ships sunk ; (8,425 GRT); 1 auxiliary warship sunk ; (96 GRT); 1 merchant ship damaged ; (2,590 GRT); 1 auxiliary warship damaged ; (6,746 GRT);

German submarine U-83 was a Type VIIB U-boat of Nazi Germany's Kriegsmarine during World War II.

She was laid down in the Flender Werke at Lübeck as yard number 291 on 5 October 1939. Launched on 9 December 1940, she was commissioned on 8 February 1941. U-83 served with 1st U-boat Flotilla from 8 February 1941 to 31 December, with the 23rd flotilla from 1 January 1942 to 30 April and with the 29th flotilla from 1 March 1942 until she was sunk.^[2]

^ Kemp 1999, p. 105.
^ ^a ^b Helgason, Guðmundur. "The Type VIIB boat U-83". German U-boats of WWII - uboat.net. Retrieved 27 December 2009.
^ Helgason, Guðmundur. "War Patrols by German U-boat U-83". German U-boats of WWII - uboat.net. Retrieved 27 December 2009.

[FOOTNOTEKemp1999105-1] Kemp 1999, p. 105.

[uboatnet-2] Helgason, Guðmundur. "The Type VIIB boat U-83". German U-boats of WWII - uboat.net. Retrieved 27 December 2009.

[3] Helgason, Guðmundur. "War Patrols by German U-boat U-83". German U-boats of WWII - uboat.net. Retrieved 27 December 2009.

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History
U-52, a typical Type VIIB boat
Nazi Germany
Name	U-83
Ordered	9 June 1938
Builder	Flender Werke, Lübeck
Yard number	291
Laid down	5 October 1939
Launched	9 December 1940
Commissioned	8 February 1941
Fate	Sunk, 4 March 1943 by a British aircraft^[1]
Badge
General characteristics
Class and type	Type VIIB submarine
Displacement	753 tonnes (741 long tons) surfaced 857 t (843 long tons) submerged
Length	66.50 m (218 ft 2 in) o/a 48.80 m (160 ft 1 in) pressure hull
Beam	6.20 m (20 ft 4 in) o/a 4.70 m (15 ft 5 in) pressure hull
Height	9.50 m (31 ft 2 in)
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	2 shafts 2 × diesel engines 2 × electric motors
Speed	17.9 knots (33.2 km/h; 20.6 mph) surfaced 8 knots (15 km/h; 9.2 mph) submerged
Range	9,400 nmi (17,400 km; 10,800 mi) at 10 knots (19 km/h; 12 mph) surfaced 90 nmi (170 km; 100 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth	220 m (720 ft) Crush depth: 230–250 m (750–820 ft)
Complement	4 officers, 40–56 enlisted
Sensors and processing systems	Gruppenhorchgerät
Armament	4 × 53.3 cm (21 in) torpedo tubes (four bow) 12 × torpedoes or 26 TMA mines 1 × 8.8 cm (3.46 in) deck gun (220 rounds) 1 × 2 cm (0.79 in) C/30 anti-aircraft gun
Service record^[2]^[3]
Part of:	1st U-boat Flotilla 8 February – 31 December 1941 23rd U-boat Flotilla 1 January – 30 April 1942 29th U-boat Flotilla 1 May 1942 – 4 March 1943
Identification codes:	M 32 441
Commanders:	Oblt.z.S. / Kptlt. Hans-Werner Kraus 8 February 1941 – 21 September 1942 Kptlt. Ulrich Wörisshoffer 16 October 1942 – 4 March 1943
Operations:	12 patrols: 1st patrol: 26 July – 9 September 1941 2nd patrol: 28 September – 31 October 1941 3rd patrol: 11 – 23 December 1941 4th patrol: 25 – 30 December 1941 5th patrol: 12 – 24 February 1942 6th patrol: a. 10 – 21 March 1942 b. 24 – 28 March 1942 7th patrol: 5 April – 30 May 1942 8th patrol: 4 – 20 June 1942 9th patrol: a. 6 – 20 August 1942 b. 31 August – 4 September 1942 10th patrol: 21 November – 17 December 1942 11th patrol: 12 – 31 January 1943 12th patrol: 1 – 4 March 1943
Victories:	5 merchant ships sunk (8,425 GRT) 1 auxiliary warship sunk (96 GRT) 1 merchant ship damaged (2,590 GRT) 1 auxiliary warship damaged (6,746 GRT)