German submarine U-405

History
Nazi Germany
Name	U-405
Ordered	16 October 1939
Builder	Danziger Werft, Danzig
Yard number	106
Laid down	8 July 1940
Launched	4 June 1941
Commissioned	17 September 1941
Fate	Sunk by USS Borie on 1 November 1943
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; 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:	8th U-boat Flotilla; 17 September 1941 – 28 February 1942; 1st U-boat Flotilla; 1 March – 30 June 1942; 11th U-boat Flotilla; 1 July 1942 – 28 February 1943; 6th U-boat Flotilla; 1 March – 1 November 1943;
Identification codes:	M 35 435
Commanders:	K.Kapt. Rolf-Heinrich Hopman; 17 September 1941 – 1 November 1943;
Operations:	8 patrols:; 1st patrol:; 7 – 22 March 1942; 2nd patrol:; a. 26 April – 10 May 1942; b. 12 – 15 May 1942; c. 20 – 22 May 1942; 3rd patrol:; 16 July – 16 August 1942; 4th patrol:; a. 26 August – 20 September 1942; b. 22 – 24 September 1942; c. 7 – 9 November 1942; 5th patrol:; 11 November – 15 December 1942; 6th patrol:; 7 February – 23 March 1943; 7th patrol:; 2 – 21 May 1943; 8th patrol:; a. 29 – 31 August 1943; b. 25 – 27 September 1943; c. 10 October 1943 – 1 November 1943;
Victories:	2 merchant ships sunk ; (11,841 GRT); 3 warships sunk ; (361 tons);

German submarine U-405 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II.

The U-boat was laid down on 8 July 1940 at the Danziger Werft shipyard at Danzig, launched on 4 June 1941 and commissioned on 17 September 1941. She was commanded by Korvettenkapitän Rolf-Heinrich Hopman.

History

Nazi Germany
Name	U-405
Ordered	16 October 1939
Builder	Danziger Werft, Danzig
Yard number	106
Laid down	8 July 1940
Launched	4 June 1941
Commissioned	17 September 1941
Fate	Sunk by USS Borie on 1 November 1943
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 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:	8th U-boat Flotilla 17 September 1941 – 28 February 1942 1st U-boat Flotilla 1 March – 30 June 1942 11th U-boat Flotilla 1 July 1942 – 28 February 1943 6th U-boat Flotilla 1 March – 1 November 1943
Identification codes:	M 35 435
Commanders:	K.Kapt. Rolf-Heinrich Hopman 17 September 1941 – 1 November 1943
Operations:	8 patrols: 1st patrol: 7 – 22 March 1942 2nd patrol: a. 26 April – 10 May 1942 b. 12 – 15 May 1942 c. 20 – 22 May 1942 3rd patrol: 16 July – 16 August 1942 4th patrol: a. 26 August – 20 September 1942 b. 22 – 24 September 1942 c. 7 – 9 November 1942 5th patrol: 11 November – 15 December 1942 6th patrol: 7 February – 23 March 1943 7th patrol: 2 – 21 May 1943 8th patrol: a. 29 – 31 August 1943 b. 25 – 27 September 1943 c. 10 October 1943 – 1 November 1943
Victories:	2 merchant ships sunk (11,841 GRT) 3 warships sunk (361 tons)