|German submarine U-177|
|Ordered:||28 May 1940|
|Builder:||AG Weser, Bremen|
|Laid down:||25 November 1940|
|Launched:||1 October 1941|
|Commissioned:||14 March 1942|
|Fate:||Sunk, 6 February 1944 by a US aircraft|
|Class & type:||Type IXD2 submarine|
1,610 t (1,580 long tons) surfaced|
1,799 t (1,771 long tons) submerged
87.6 m (287 ft 5 in) o/a|
68.5 m (224 ft 9 in) pressure hull
7.5 m (24 ft 7 in) o/a|
4.4 m (14 ft 5 in) pressure hull
|Height:||10.2 m (33 ft 6 in)|
|Draft:||5.4 m (17 ft 9 in)|
2 × MAN M9V40/46 supercharged 9-cylinder diesel engines, 4,400 hp (3,281 kW)|
2 × SSW GU345/34 double-acting electric motors, 1,000 hp (746 kW)
20.8 knots (38.5 km/h) surfaced|
6.9 knots (12.8 km/h) submerged
12,750 nmi (23,610 km) at 10 knots (19 km/h) surfaced|
213 nmi (394 km) at 4 kn (7.4 km/h) submerged
|Test depth:||230 m (750 ft)|
|Complement:||55 to 63|
• 6 × torpedo tubes (four bow, two stern)|
• 22 × 533 mm (21 in) torpedoes
• 1 × Utof 105 mm/45 deck gun (110 rounds)
• AA guns
4th U-boat Flotilla|
(14 March–30 September 1942)
10th U-boat Flotilla
(1 October–30 November 1942)
12th U-boat Flotilla
(1 December 1942–6 February 1944)
KrvKpt. Wilhelm Schulze|
(14 March 1942–23 March 1943)
KrvKpt. Robert Gysae
(24 March 1942–16 October 1943)
KrvKpt. Heinz Buchholz
(17 October 1943–6 February 1944)
17 September 1942–22 January 1943
1 April–1 October 1943
2 January–6 February 1944
14 commercial ships sunk (87,388 GRT)|
One commercial ship damaged (2,588 GRT)
German submarine U-177 was a Type IXD2 U-boat of the German Kriegsmarine during World War II. The submarine was laid down on 25 November 1940 at the AG Weser yard in Bremen as 'werk' 1017. She was launched on 1 October 1941 and commissioned on 14 March 1942 under the command of Kapitänleutnant Wilhelm Schulze. After a period of training with the 4th U-boat Flotilla at Stettin, the boat was transferred to the 10th flotilla on 1 October 1942 and based at Lorient for front-line service, she was then reassigned to the 12th flotilla at Bordeaux on 1 December.
She sank 14 ships of 87,388 GRT and damaged one other of 2,588 GRT, but was herself sunk in February 1944 in the Atlantic west of Ascension Island by a US Navy aircraft.
Under the command of Kptlt. Robert Gysae, U-177 left Kiel on 17 September 1942 and sailed north around the British Isles. On 23 September the U-boat was bombed by a twin-engined aircraft southeast of Iceland, but crash-dived and sustained no damage. She then headed south to the waters off South Africa and Mozambique. There she sank eight ships totalling 49,371 tons and damaged another of 2,588 tons: She had her first success on 2 November, sinking the unescorted 4,538 ton Greek merchant steamer Aegeus off Cape Columbine. There were no survivors. On 9 November the U-boat attacked and damaged the unescorted 2,588 ton British oil tanker Cerion south of Port Elizabeth with her 37 mm and 20 mm AA guns, after her deck gun malfunctioned, and several attacks with torpedoes failed. The 7,006 ton British tanker Scottish Chief was the next victim on 19 November; she was loaded with 13,000 tons of fuel oil, and was torpedoed by U-177 about 200 miles east southeast of Durban. The ship exploded and sank in flames, with only 12 of the crew of 48 surviving.
The unescorted 7,191 ton Liberty ship Pierce Butler was hit by two torpedoes from U-177 on 20 November. The ship's armed guards opened fire with her five- and three-inch guns, while the engines were secured; subsequently the eight officers, 33 crewmen and 21 armed guards abandoned ship in four lifeboats. Within half an hour the ship sank. The Pierce Butler's third mate was questioned by officers from U-177 who offered to send a distress signal if none had been sent. It had, and the crew were picked up about 20 hours later by HMS Fortune. U-177 next sank the unescorted 6,796 ton British troop transport RMS Nova Scotia southeast of Lourenço Marques on the 28th. The ship was carrying mail, passengers and 780 Italian prisoners of war and civilian internees from Port Tewfik, Massawa and Aden to Durban. Hit by three torpedoes, she sank within ten minutes. The U-boat picked up two survivors to identify the ship, who turned out to be Italian merchant sailors. Mindful of the Laconia Order issued two months previously, Gysae radioed the BdU (U-boat headquarters) and was ordered to continue his patrol while they notified the Portuguese authorities, who sent the frigate NRP Afonso de Albuquerque to help. The frigate rescued only 194 survivors. From the 1,052 aboard, 858 were lost, including 650 Italians. On 30 November she sank the unescorted 10,799 ton British troop transport Llandaff Castle with two torpedoes southeast of Lourenço Marques. The former Union-Castle Line passenger ship had 150 passengers on board, including six Soviet diplomats with their wives and children and 70 military officers with their families. Three crew members were lost. The survivors were later rescued by HMS Catterick. U-177 torpedoed the unescorted 3,548 ton Greek merchant ship Saronikos off Mozambique on 7 December, which broke in half and sank within two minutes. The Germans questioned the only two survivors from the crew of 38, and provided them with bandages and provisions. The boat torpedoed the unescorted 6,408 ton British merchant ship Empire Gull on 12 December in the Mozambique Channel, allowing the crew to abandon ship before opening fire with her deck gun, firing 70 incendiary and 100 high-explosive rounds, and scoring about 140 hits, which finally caused the ship to sink. Two crew members were lost in the attack, the master and 43 crewmen were later rescued up by HMS Inconstant and HMS Freesia. On 14 December the U-boat sank the 3,085 ton Dutch merchant ship Sawahloento with her last torpedo, her destruction took seven minutes. The crew of 72 men abandoned ship in four lifeboats, three of which capsized when the boiler exploded, drowning most of the occupants. The 19 survivors in the last lifeboat were questioned, and then set sail towards the coast of South Africa, arriving two days later.
U-177 then headed for France, arriving in Bordeaux on 22 January 1943 after a voyage of 128 days.
U-177 left Bordeaux on 1 April 1943 for her second patrol around the Cape of Good Hope where she sank six ships totalling 38,017 tons. She attacked Convoy CD-20 on 27 May with a salvo of four torpedoes, hitting the 6,679 ton American merchant ship Agwimonte and the 7,886 ton Norwegian tanker Storaas. Both ships were abandoned by their crews and were sunk with further torpedoes from U-177. On 6 July the unescorted 7,129 ton Canadian merchant ship Jasper Park was hit by two torpedoes from U-177 south southwest of Cap Sainte Marie, the extreme southern point of Madagascar. The U-boat fired another torpedo which either missed or was a dud, so she surfaced to sink the vessel with gunfire, but as she did so her target sank. On 10 July 1943 U-177 struck the unescorted 7,176 ton American Liberty ship Alice F. Palmer with a single torpedo in the stern, blowing off the propeller and rudder, flooding the engine room, and breaking the back of the ship. The crew of 68 abandoned their vessel in four lifeboats, and after questioning them, U-177 shelled the ship, firing 14 incendiary and 85 high-explosive rounds. The burning ship slowly sank. The four lifeboats eventually sailed to Madagascar. The 4,952 ton British collier Cornish City was torpedoed and sunk on 29 July, southeast of Madagascar. The ship sank within a minute with the loss of 37 of her crew of 43. The survivors were questioned by the Germans and later picked up by HMAS Nizam. The U-boat successfully attacked the unescorted 4,195 ton Greek merchant ship Efthalia Mari east of Madagascar on 5 August, after spotting her using a Fa 330 Bachstelze rotor kite. Hit by two torpedoes, the ship sank in eight minutes. U-177 was one of only a few U-boats equipped with the aerial observation platform, and the only one to have successfully used it.
The submarine returned to Bordeaux on 1 October 1943 after 184 days at sea.
3rd patrol and loss
Under the command of Korvettenkapitän Heinz Buchholz, U-177 sailed from La Pallice (where she had docked on 26 December 1943), on 2 January 1944 and once again headed south. On the 36th day of the patrol, on 6 February, she was sunk in the Atlantic west of Ascension Island, in position Coordinates: , by depth charges dropped by a B-24 Liberator aircraft from US Navy Squadron VB-107. 50 men were lost; 15 survived, they were picked up by USS Omaha.
Summary of raiding history
|2 November 1942||Aegeus||Greece||4,538||Sunk|
|9 November 1942||Cerion||UK||2,588||Damaged|
|19 November 1942||Scottish Chief||UK||7,006||Sunk|
|20 November 1942||Pierce Butler||USA||7,191||Sunk|
|28 November 1942||RMS Nova Scotia||UK||6,796||Sunk|
|30 November 1942||Llandaff Castle||UK||10,799||Sunk|
|7 December 1942||Sawahloento||Netherlands||3,085||Sunk|
|28 May 1943||Agwimonte||USA||6,679||Sunk|
|28 May 1943||Storaas||Norway||7,886||Sunk|
|6 July 1943||Jasper Park||Canada||7,129||Sunk|
|10 July 1943||Alice F Palmer||USA||7,176||Sunk|
|29 July 1943||Cornish City||UK||4,952||Sunk|
|15 August 1943||Efthalia Maria||Greece||4,195||Sunk|
- "The Type IXD2 boat U-177 - German U-boats of WWII - uboat.net". uboat.net. http://www.uboat.net/boats/u177.htm. Retrieved 5 March 2010.
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- "Aegeus (Steam merchant) - Ships hit by U-boats - uboat.net". uboat.net. http://www.uboat.net/allies/merchants/ships/2342.html. Retrieved 5 March 2010.
- "Cerion (Motor tanker) - Ships hit by U-boats - uboat.net". uboat.net. http://www.uboat.net/allies/merchants/ships/2395.html. Retrieved 5 March 2010.
- "Scottish Chief (Steam tanker) - Ships hit by U-boats - uboat.net". uboat.net. http://www.uboat.net/allies/merchants/ships/2448.html. Retrieved 5 March 2010.
- "Pierce Butler (Steam merchant) - Ships hit by U-boats - uboat.net". uboat.net. http://www.uboat.net/allies/merchants/ships/2451.html. Retrieved 5 March 2010.
- "Nova Scotia (Troop transport) - Ships hit by U-boats - uboat.net". uboat.net. http://www.uboat.net/allies/merchants/ships/2476.html. Retrieved 5 March 2010.
- "Llandaff Castle (Troop transport) - Ships hit by U-boats - uboat.net". uboat.net. http://www.uboat.net/allies/merchants/ships/2480.html. Retrieved 5 March 2010.
- "Saronikos (Steam merchant) - Ships hit by U-boats - uboat.net". uboat.net. http://www.uboat.net/allies/merchants/ships/2494.html. Retrieved 5 March 2010.
- "Empire Gull (Steam merchant) - Ships hit by U-boats - uboat.net". uboat.net. http://www.uboat.net/allies/merchants/ships/2505.html. Retrieved 5 March 2010.
- "Sawahloento (Steam merchant) - Ships hit by U-boats - uboat.net". uboat.net. http://www.uboat.net/allies/merchants/ships/2512.html. Retrieved 5 March 2010.
- "Agwimonte (Steam merchant) - Ships hit by U-boats - uboat.net". uboat.net. http://www.uboat.net/allies/merchants/ships/2938.html. Retrieved 5 March 2010.
- "Storaas (Motor tanker) - Ships hit by U-boats - uboat.net". uboat.net. http://www.uboat.net/allies/merchants/2939.html. Retrieved 5 March 2010.
- "Jasper Park (Steam merchant) - Ships hit by U-boats - uboat.net". uboat.net. http://www.uboat.net/allies/merchants/ships/2986.html. Retrieved 5 March 2010.
- "Alice F. Palmer (Steam merchant) - Ships hit by U-boats - uboat.net". uboat.net. http://www.uboat.net/allies/merchants/ships/3001.html. Retrieved 5 March 2010.
- "Cornish City (Motor merchant) - Ships hit by U-boats - uboat.net". uboat.net. http://www.uboat.net/allies/merchants/ships/3027.html. Retrieved 5 March 2010.
- "Efthalia Mari (Steam merchant) - Ships hit by U-boats - uboat.net". uboat.net. http://www.uboat.net/allies/merchants/ships/3036.html. Retrieved 5 March 2010.
- "Patrol of U-boat U-177 from 2 Jan 1944 to 6 Feb 1944 - U-boat patrols - uboat.net". uboat.net. http://www.uboat.net/boats/patrols/patrol_4035.html. Retrieved 5 March 2010.
- U-177 at u-boot-archiv.de (German)
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