German submarine U-628

History
Nazi Germany
Name	U-628
Ordered	15 August 1940
Builder	Blohm & Voss, Hamburg
Yard number	604
Laid down	7 August 1941
Launched	29 April 1942
Commissioned	25 June 1942
Fate	Sunk on 3 July 1943 in the North Atlantic NW of Cape Ortegal in position 44°11′N 08°45′W / 44.183°N 8.750°W, by depth charges from a RAF Liberator aircraft of 224/J Squadron.
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;
Height	9.60 m (31 ft 6 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	17.7 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 (four bow, one stern); 14 × torpedoes or 26 TMA mines; 1 × 8.8 cm (3.46 in) deck gun (220 rounds); 1 x 2 cm (0.79 in) C/30 AA gun;
Service record
Part of:	5th U-boat Flotilla; 25 June – 30 November 1942; 1st U-boat Flotilla; 1 December 1942 – 3 July 1943;
Identification codes:	M 07 314
Commanders:	Kptlt. Heinrich Hasenschar; 25 June 1942 – 3 July 1943;
Operations:	4 patrols:; 1st patrol:; 28 November 1942 – 8 January 1943; 2nd patrol:; 1 February – 9 March 1943; 3rd patrol:; 8 April – 19 May 1943; 4th patrol:; 1 – 3 July 1943;
Victories:	4 merchant ships sunk ; (21,765 GRT); 3 merchant ships damaged ; (20,450 GRT);

German submarine U-628 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. She was laid down on 7 August 1941 by Blohm & Voss, Hamburg as yard number 604, launched on 29 April 1942 and commissioned on 25 June 1942 under Kapitänleutnant Heinrich Hasenschar.

History

Nazi Germany
Name	U-628
Ordered	15 August 1940
Builder	Blohm & Voss, Hamburg
Yard number	604
Laid down	7 August 1941
Launched	29 April 1942
Commissioned	25 June 1942
Fate	Sunk on 3 July 1943 in the North Atlantic NW of Cape Ortegal in position 44°11′N 08°45′W / 44.183°N 8.750°W / 44.183; -8.750, by depth charges from a RAF Liberator aircraft of 224/J Squadron.
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
Height	9.60 m (31 ft 6 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	17.7 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 (four bow, one stern) 14 × torpedoes or 26 TMA mines 1 × 8.8 cm (3.46 in) deck gun (220 rounds) 1 x 2 cm (0.79 in) C/30 AA gun
Service record
Part of:	5th U-boat Flotilla 25 June – 30 November 1942 1st U-boat Flotilla 1 December 1942 – 3 July 1943
Identification codes:	M 07 314
Commanders:	Kptlt. Heinrich Hasenschar 25 June 1942 – 3 July 1943
Operations:	4 patrols: 1st patrol: 28 November 1942 – 8 January 1943 2nd patrol: 1 February – 9 March 1943 3rd patrol: 8 April – 19 May 1943 4th patrol: 1 – 3 July 1943
Victories:	4 merchant ships sunk (21,765 GRT) 3 merchant ships damaged (20,450 GRT)