German submarine U-556

History
Nazi Germany
Name	U-556
Ordered	25 September 1939
Builder	Blohm & Voss, Hamburg
Yard number	532
Laid down	2 January 1940
Launched	7 December 1940
Commissioned	6 February 1941
Fate	Sunk on 27 June 1941
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 × G7e 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:	1st U-boat Flotilla; 6 February – 27 June 1941;
Identification codes:	M 36 839
Commanders:	Kptlt. Herbert Wohlfarth; 6 February – 27 June 1941;
Operations:	2 patrols:; 1st patrol:; 1 – 30 May 1941; 2nd patrol:; 19 – 27 June 1941;
Victories:	6 merchant ships sunk ; (29,552 GRT); 1 merchant ship damaged ; (4,986 GRT);

German submarine U-556 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. She was laid down on 2 January 1940 at the Blohm & Voss yard in Hamburg as yard number 532, launched on 7 December 1940, and commissioned on 6 February 1941 under the command of Kapitänleutnant Herbert Wohlfarth, who commanded her for her entire career that lasted less than five months. U-556 conducted only two patrols, sinking six ships totalling 29,552 gross register tons (GRT) and damaging one other of 4,986 GRT, before she was sunk on 27 June 1941.

History

Nazi Germany
Name	U-556
Ordered	25 September 1939
Builder	Blohm & Voss, Hamburg
Yard number	532
Laid down	2 January 1940
Launched	7 December 1940
Commissioned	6 February 1941
Fate	Sunk on 27 June 1941
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 × G7e 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:	1st U-boat Flotilla 6 February – 27 June 1941
Identification codes:	M 36 839
Commanders:	Kptlt. Herbert Wohlfarth 6 February – 27 June 1941
Operations:	2 patrols: 1st patrol: 1 – 30 May 1941 2nd patrol: 19 – 27 June 1941
Victories:	6 merchant ships sunk (29,552 GRT) 1 merchant ship damaged (4,986 GRT)