German submarine U-176
|Career (Nazi Germany)|
|Ordered:||23 December 1939|
|Builder:||DeSchiMAG AG Weser, Bremen|
|Laid down:||6 February 1941|
|Launched:||12 September 1941|
|Commissioned:||15 December 1941|
|Fate:||Sunk, 15 May 1943|
|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
58.7 m (192 ft 7 in) pressure hull
|Beam:||6.76 m (22 ft 2 in) o/a
4.4 m (14 ft 5 in) pressure hull
|Height:||9.6 m (31 ft 6 in)|
|Draft:||4.7 m (15 ft 5 in)|
|Propulsion:||2 × MAN M 9 V 40/46 supercharged 9-cylinder diesel engines, 4,400 PS (4,340 shp; 3,236 kW)
2 × SSW 2 GU 345/34 double-acting electric motors, 1,000 PS (986 shp; 735 kW)
|Speed:||18.3 knots (33.9 km/h; 21.1 mph) surfaced
7.3 knots (13.5 km/h; 8.4 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)|
|Part of:||4th U-boat Flotilla
(15 December 1941 – 31 July 1942)
10th U-boat Flotilla
(1 August 1942 – 15 May 1943)
|Commanders:||K.Kapt. Reiner Dierksen
(15 December 1941 – 15 May 1943)
|Operations:||1st patrol: 21 July–2 October 1942
2nd patrol: 9 November 1942–18 February 1943
3rd patrol: 6 April–15 May 1943
|Victories:||11 commercial ships sunk (53,307 GRT)|
Built at the DeSchiMAG AG Weser shipyard in Bremen, she was laid down on 6 February 1941, launched on 12 September and commissioned on 15 December, under the command of Kapitänleutnant Reiner Dierksen.
U-176 served with the 4. Unterseebootsflotille (U-boat flotilla) while training, and from 1 August 1942 with the 10th U-boat Flotilla, a long-range operations unit. U-176 completed three patrols, sinking 11 ships totalling 53,307 gross register tons (GRT) before she was sunk off Cayo Blanquizal by the Cuban Navy on 15 May 1943.
On 21 July 1942 U-176 sailed from Kiel, around the British Isles, and into the north Atlantic Ocean. She made her first kill on 4 August, sinking the unescorted 7,798 ton British merchantman Richmond Castle with two torpedoes.
On 7 August she joined five other U-boats in reinforcing the eight boats of wolfpack Steinbrinck in a series of attacks on Convoy SC 94. On 8 August U-176 fired two salvoes of two torpedoes each at the convoy, sinking two British cargo ships, the 4,817 ton Trehata and the 3,956 ton Kelso, and the 7,914 ton Greek cargo ship Mount Kassion. The next day she also sank another British ship, the 3,701 ton Radchurch, which had been abandoned. The convoy escort was then reinforced by the Polish destroyer Błyskawica and the British destroyer leader Broke. Both ships were equipped with HF/DF (radio direction-finding equipment), which helped to keep the U-boats at bay until morning.
U-176 sank the 7,457 ton British cargo ship Empire Breeze with two torpedoes on 25 August. The ship had been part of convoy ON 122; the U-boat ended the patrol after 74 days at sea at Lorient in France on 2 October 1942. The day after her return her captain was awarded the Iron Cross 1st Class.
U-176 departed Lorient on 9 November 1942 and headed into the south Atlantic. On 27 November she sank the 5,922 ton Dutch merchant ship Polydorus after a 50-hour pursuit, the longest recorded by any U-boat in the Second World War.
Off Cape São Roque, Brazil, on 13 December 1942 the crew of U-176 boarded the 1,629 ton Swedish cargo ship Scania, and sank her with scuttling charges after the crew had abandoned ship. On 16 December she sank the unescorted 5,881 ton British cargo ship Observer with two torpedoes.
Prior to the sinking of Scania, a young seaman, Gottfrid Sundberg, surreptitiously photographed U-176 from Scania.
U-176 arrived back at Lorient on 18 February 1943 after a patrol lasting 102 days.
U-176 sailed for her third and final patrol on 6 April 1943 from Lorient, sailing across the Atlantic and into the Caribbean Sea. On 1 May, her commander was notified of his promotion to Korvettenkapitän.
On 13 May 1943, U-176 attacked Convoy NC 18 only five miles off the northern coast of Cuba, sinking the 2,249 ton American tanker Nickeliner, which was loaded with 3,400 tons of ammonia water, and the 1,983 ton Cuban molasses tanker Mambí.
On 15 May, the Cuban merchant ship Camagüey, and the Honduran Hanks, both loaded with sugar, sailed from Sagua La Grande, bound for Havana, escorted by the Cuban submarine chasers CS-11, CS-12, and CS-13. At 17:15 hours, a U.S. Navy Kingfisher aircraft from squadron VS-62 operating from Cuba spotted U-176 at Coordinates: and dropped a smoke float to mark her position about one and a half miles astern of the convoy. CS-13 located the U-boat with her sonar, attacked with depth charges and sank U-176.
CS-13 was commanded by the Cuban Navy's Alférez de Fragata, Mario Ramirez Delgado commanding, the only Cuban national to sink a U-boat during World War II. In 1946, Delgado, promoted to Lieutenant, was awarded the Orden del Mérito Naval con Distantivo Rojo (Meritorious Naval Service Order with Red Badge). Rear Admiral Samuel E. Morison, official historian of the US Navy, recognized his success in his work History of United States Naval Operations in World War II, where he also praised the ability and efficiency of the Cuban seamen.
|“||The CS-13 patrol boat, commanded by Second Lieutenant Mario Ramirez Delgado, turned toward the gas, made good contact through the sonar and launched two perfect attacks with deep charges which annihilated the U-176. This was the only successful attack against a submarine carried out by a surface unit smaller than a PCE [Patrol Craft Escort] of 180 feet. Thus, the sinking is properly considered with great pride by the small but efficient Cuban Navy.||”|
U-176 took part in two wolfpacks, namely.
Summary of raiding career
|4 August 1942||Richmond Castle||United Kingdom||7,798||Sunk|
|8 August 1942||Kelso||United Kingdom||3,956||Sunk|
|8 August 1942||Mount Kassion||Greece||7,914||Sunk|
|8 August 1942||Trehata||United Kingdom||4,817||Sunk|
|9 August 1942||Radchurch||United Kingdom||3,701||Sunk|
|25 August 1942||Empire Breeze||United Kingdom||7,457||Sunk|
|27 November 1942||Polydorus||Netherlands||5,922||Sunk|
|13 December 1942||Scania||Sweden||1,629||Sunk|
|16 December 1942||Observer||United Kingdom||5,881||Sunk|
|13 May 1943||Mambí||Cuba||1,983||Sunk|
|13 May 1943||Nickeliner||United States||2,249||Sunk|
- Gröner 1985, pp. 105-6.
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- Helgason, Guðmundur. "Empire Breeze (Steam merchant)". German U-boats of WWII - uboat.net. Retrieved 8 December 2009.
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- Helgason, Guðmundur. "Observer (Steam merchant)". German U-boats of WWII - uboat.net. Retrieved 8 December 2009.
- Gottfrid Sundbergs upplevelser under andra världskriget, Alandska sjoman under andra varldskriget, Mariehamn 1999, p. 100-102. ISBN 952-91-1248-3
- Lindstrom, B., Nar m/s Scania sanktes av U-176, Rospiggen 2009, Bromma 2008, p. 67-86. ISSN 0349-0157
- Lindstrom, B., Nar m/s Scania sanktes av U-176, fotografen bakom bilderna av u-baten trader fram, Rospiggen 2010, Bromma 2009, p. 104-113. ISSN 0349-0157
- Helgason, Guðmundur. "Patrol of U-boat U-176 from 9 November 1942 to 18 February 1943". German U-boats of WWII - uboat.net. Retrieved 8 December 2009.
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- Gröner, Erich (1985). U-Boote, Hilfskreuzer, Minenschiffe, Netzleger, Sperrbrecher. Die deutschen Kriegsschiffe 1815-1945 (in German) III (Koblenz: Bernard & Graefe). ISBN 3-7637-4802-4.
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- Byrne, Mario J. "Marina Cubana hundio U-Boat Aleman en la II Guerra Mundial" [The Cuban Navy sinks a German U-boat during World War II] (in Spanish). www.cubaenelmundo.com.