German submarine U-722

History
Nazi Germany
Name	U-722
Ordered	25 August 1941
Builder	H. C. Stülcken Sohn, Hamburg
Yard number	788
Laid down	21 December 1942
Launched	21 September 1943
Commissioned	15 December 1943
Fate	Sunk on 27 March 1945 in the North Atlantic in position 57°09′N 06°55′W / 57.150°N 6.917°W, by British frigates HMS Fitzroy, HMS Redmill and HMS Byron.
General characteristics
Class & type	Type VIIC submarine
Displacement	769 tonnes (757 long tons) surfaced; 871 t (857 long tons) 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;
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	17.7 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	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); 2 × twin 2 cm (0.79 in) C/30 anti-aircraft guns;
Service record
Part of:	31st U-boat Flotilla; 15 December 1943 – 31 July 1944; 1st U-boat Flotilla; 1 August – 30 September 1944; 11th U-boat Flotilla; 1 October 1944 – 27 March 1945;
Identification codes:	M 54 762
Commanders:	Oblt.z.S. Hans-Heinrich Reimers; 15 December 1943 – 27 March 1945;
Operations:	3 patrols:; 1st patrol:; 16 October – 20 November 1944; 2nd patrol:; 7 – 29 December 1944; 3rd patrol:; 21 February – 27 March 1945;
Victories:	1 merchant ship sunk ; (2,190 GRT)

German submarine U-722 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. She was laid down on 21 December 1942 by H. C. Stülcken Sohn, Hamburg as yard number 788, launched on 21 September 1943 and commissioned on 15 December 1943 under Leutnant zur See Hans-Heinrich Reimers.

History

Nazi Germany
Name	U-722
Ordered	25 August 1941
Builder	H. C. Stülcken Sohn, Hamburg
Yard number	788
Laid down	21 December 1942
Launched	21 September 1943
Commissioned	15 December 1943
Fate	Sunk on 27 March 1945 in the North Atlantic in position 57°09′N 06°55′W / 57.150°N 6.917°W / 57.150; -6.917, by British frigates HMS Fitzroy, HMS Redmill and HMS Byron.
General characteristics
Class & type	Type VIIC submarine
Displacement	769 tonnes (757 long tons) surfaced 871 t (857 long tons) 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
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	17.7 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	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) 2 × twin 2 cm (0.79 in) C/30 anti-aircraft guns
Service record
Part of:	31st U-boat Flotilla 15 December 1943 – 31 July 1944 1st U-boat Flotilla 1 August – 30 September 1944 11th U-boat Flotilla 1 October 1944 – 27 March 1945
Identification codes:	M 54 762
Commanders:	Oblt.z.S. Hans-Heinrich Reimers 15 December 1943 – 27 March 1945
Operations:	3 patrols: 1st patrol: 16 October – 20 November 1944 2nd patrol: 7 – 29 December 1944 3rd patrol: 21 February – 27 March 1945
Victories:	1 merchant ship sunk (2,190 GRT)