German submarine U-166 (1941)

	A deck gun of the sunken U-166
History
Nazi Germany
Name	U-166
Ordered	25 September 1939
Builder	Seebeckwerft, Wesermünde
Yard number	705
Laid down	6 December 1940
Launched	1 November 1941
Commissioned	23 March 1942
Fate	Sunk by USS PC-566, 30 July 1942
General characteristics
Class and type	Type IXC submarine
Displacement	1,120 t (1,100 long tons) surfaced; 1,232 t (1,213 long tons) submerged;
Length	76.76 m (251 ft 10 in) o/a; 58.75 m (192 ft 9 in) pressure hull;
Beam	6.76 m (22 ft 2 in) o/a; 4.40 m (14 ft 5 in) pressure hull;
Height	9.60 m (31 ft 6 in)
Draught	4.70 m (15 ft 5 in)
Installed power	4,400 PS (3,200 kW; 4,300 bhp) (diesels); 1,000 PS (740 kW; 990 shp) (electric);
Propulsion	2 shafts; 2 × diesel engines; 2 × electric motors;
Speed	18.3 knots (33.9 km/h; 21.1 mph) surfaced; 7.7 knots (14.3 km/h; 8.9 mph) submerged;
Range	13,450 nmi (24,910 km; 15,480 mi) at 10 knots (19 km/h; 12 mph) surfaced; 64 nmi (119 km; 74 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged;
Test depth	230 m (750 ft)
Complement	4 officers, 44 enlisted
Armament	6 × 53.3 cm (21 in) torpedo tubes (4 bow, 2 stern); 22 × torpedoes; 1 × 10.5 cm (4.1 in) SK C/32 deck gun (180 rounds); 1 × 3.7 cm (1.5 in) SK C/30 AA gun; 1 × twin 2 cm FlaK 30 AA guns;
Service record
Part of:	4th U-boat Flotilla; 23 March – 31 May 1942; 10th U-boat Flotilla; 1 June 1942 – 30 July 1942;
Identification codes:	M 35 882
Commanders:	Oblt.z.S. Hans-Günther Kuhlmann; 23 March – 30 July 1942;
Operations:	2 patrols:; 1st patrol:; 1 – 10 June 1942; 2nd patrol:; 17 June – 30 July 1942;
Victories:	4 merchant ships sunk ; (7,593 GRT)
	S.S. Robert E. Lee and U-166 (shipwrecks and remains)
	U.S. National Register of Historic Places
Area	Adjacent to the SS Robert E. Lee shipwreck
NRHP reference No.	100002558
Added to NRHP	7 December 2018

German submarine U-166 was a Type IXC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 6 December 1940 at the Seebeckwerft (part of Deutsche Schiff- und Maschinenbau AG, Deschimag) at Wesermünde (modern Bremerhaven) as yard number 705, launched on 1 November 1941, and commissioned on 23 March 1942 under the command of Oberleutnant zur See Hans-Günther Kuhlmann. After training with the 4th U-boat Flotilla, U-166 was transferred to the 10th U-boat Flotilla for front-line service on 1 June 1942. The U-boat sailed on only two war patrols and sank four ships totalling 7,593 gross register tons (GRT).^[2] She was sunk on 30 July 1942 in the Gulf of Mexico.^[5]

^ ^a ^b Kemp 1999, p. 85.
^ ^a ^b Helgason, Guðmundur. "The Type IXC boat U-166". German U-boats of WWII - uboat.net. Retrieved 22 February 2010.
^ Helgason, Guðmundur. "War Patrols by German U-boat U-166". German U-boats of WWII - uboat.net. Retrieved 22 February 2010.
^ "National Register Information System – (#100002558)". National Register of Historic Places. National Park Service. 9 July 2010.
^ "Historic Shipwrecks in the Gulf of Mexico". gomr.mms.gov. Archived from the original on 17 October 2008. Retrieved 22 February 2010.

[FOOTNOTEKemp199985-1] Kemp 1999, p. 85.

[uboatnet-2] Helgason, Guðmundur. "The Type IXC boat U-166". German U-boats of WWII - uboat.net. Retrieved 22 February 2010.

[patrols-3] Helgason, Guðmundur. "War Patrols by German U-boat U-166". German U-boats of WWII - uboat.net. Retrieved 22 February 2010.

[nris-4] "National Register Information System – (#100002558)". National Register of Historic Places. National Park Service. 9 July 2010.

[5] "Historic Shipwrecks in the Gulf of Mexico". gomr.mms.gov. Archived from the original on 17 October 2008. Retrieved 22 February 2010.

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History
A deck gun of the sunken U-166
Nazi Germany
Name	U-166
Ordered	25 September 1939
Builder	Seebeckwerft, Wesermünde
Yard number	705
Laid down	6 December 1940
Launched	1 November 1941^[1]
Commissioned	23 March 1942^[1]
Fate	Sunk by USS PC-566, 30 July 1942
General characteristics
Class and type	Type IXC submarine
Displacement	1,120 t (1,100 long tons) surfaced 1,232 t (1,213 long tons) submerged
Length	76.76 m (251 ft 10 in) o/a 58.75 m (192 ft 9 in) pressure hull
Beam	6.76 m (22 ft 2 in) o/a 4.40 m (14 ft 5 in) pressure hull
Height	9.60 m (31 ft 6 in)
Draught	4.70 m (15 ft 5 in)
Installed power	4,400 PS (3,200 kW; 4,300 bhp) (diesels) 1,000 PS (740 kW; 990 shp) (electric)
Propulsion	2 shafts 2 × diesel engines 2 × electric motors
Speed	18.3 knots (33.9 km/h; 21.1 mph) surfaced 7.7 knots (14.3 km/h; 8.9 mph) submerged
Range	13,450 nmi (24,910 km; 15,480 mi) at 10 knots (19 km/h; 12 mph) surfaced 64 nmi (119 km; 74 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth	230 m (750 ft)
Complement	4 officers, 44 enlisted
Armament	6 × 53.3 cm (21 in) torpedo tubes (4 bow, 2 stern) 22 × torpedoes 1 × 10.5 cm (4.1 in) SK C/32 deck gun (180 rounds) 1 × 3.7 cm (1.5 in) SK C/30 AA gun 1 × twin 2 cm FlaK 30 AA guns
Service record^[2]^[3]
Part of:	4th U-boat Flotilla 23 March – 31 May 1942 10th U-boat Flotilla 1 June 1942 – 30 July 1942
Identification codes:	M 35 882
Commanders:	Oblt.z.S. Hans-Günther Kuhlmann 23 March – 30 July 1942
Operations:	2 patrols: 1st patrol: 1 – 10 June 1942 2nd patrol: 17 June – 30 July 1942
Victories:	4 merchant ships sunk (7,593 GRT)

S.S. Robert E. Lee and U-166 (shipwrecks and remains)
U.S. National Register of Historic Places

Area	Adjacent to the SS Robert E. Lee shipwreck
NRHP reference No.	100002558^[4]
Added to NRHP	7 December 2018

German submarine U-166 (1941)

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