German submarine U-105 (1940)

Last updated

U-110 and HMS Bulldog.jpg
U-110, a U-boat of the same type as U-105
History
War ensign of Germany (1938-1945).svg Nazi Germany
NameU-105
Ordered24 May 1938 [1]
Builder DeSchiMAG AG Weser, Bremen [1]
Yard number968 [1]
Laid down16 November 1939 [1]
Launched15 June 1940 [1]
Commissioned10 September 1940 [1]
Homeport Lorient, France [2]
FateSunk on 2 June 1943 near Dakar by French Potez-CAMS 141 flying boat Antarès. 53 dead (all hands lost) [1] [3]
General characteristics
Class and type Type IXB submarine
Displacement
  • 1,051  t (1,034 long tons) surfaced
  • 1,178 t (1,159 long tons) submerged
Length
Beam
  • 6.76 m (22 ft 2 in) o/a
  • 4.40 m (14 ft 5 in) pressure hull
Draught4.70 m (15 ft 5 in)
Speed
  • 18.2 knots (33.7 km/h; 20.9 mph) surfaced
  • 7.3 knots (13.5 km/h; 8.4 mph) submerged
Range
  • 12,000  nmi (22,000 km; 14,000 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
Armament
Service record
Part of:
Identification codes: M 22 946
Commanders:
Operations:
  • 9 patrols: [2]
  • 1st patrol:
  • 24 December 1940 – 31 January 1941
  • 2nd patrol:
  • 22 February – 13 June 1941
  • 3rd patrol:
  • 3 August – 20 September 1941
  • 4th patrol:
  • 8 November – 13 December 1941
  • 5th patrol:
  • 25 January – 8 February 1942
  • 6th patrol:
  • 25 February – 15 April 1942
  • 7th patrol:
  • a. 7 – 12 June 1942
  • b. 28 – 30 June 1942
  • 8th patrol:
  • 23 November 1942 – 14 February 1943
  • 9th patrol:
  • 16 March – 2 June 1943
Victories:
  • 22 merchant ships sunk
    (123,924  GRT) [4]
  • 1 warship sunk
    (1,546 tons)

German submarine U-105 was a Type IXB U-boat of Nazi Germany's Kriegsmarine . She was ordered on 24 May 1938 as part of Germany's naval rearmament program. Her keel was laid down in Bremen on 16 November 1938. After roughly seven months of construction, she was launched on 15 June 1940 and formally commissioned into the Kriegsmarine on 10 September 1940.

Contents

During her three-year career, U-105 sank 23 vessels for a total loss of 123,924  gross register tons  (GRT) and 1,546 tons before being sunk by the Free French Forces off the coast of Dakar (Senegal) on 2 June 1943.

Construction and design

Construction

U-105 was ordered by Nazi Germany's Kriegsmarine on 24 May 1938; her keel was laid down on 16 November 1938 by DeSchiMAG AG Weser in Bremen as yard number 968. She was launched on 15 June 1940 and commissioned on 10 September under the command of Kapitänleutnant Georg Schewe. [1]

Design

Type IXB submarines were slightly larger than the original Type IX submarines, later designated IXA. U-105 had a displacement of 1,051 tonnes (1,034 long tons) when at the surface and 1,178 tonnes (1,159 long tons) while submerged. [5] The U-boat had a total length of 76.50 m (251 ft), a pressure hull length of 58.75 m (192 ft 9 in), a beam of 6.76 m (22 ft 2 in), a height of 9.60 m (31 ft 6 in), and a draught of 4.70 m (15 ft 5 in). The submarine was powered by two MAN M 9 V 40/46 supercharged four-stroke, nine-cylinder diesel engines producing a total of 4,400 metric horsepower (3,240 kW; 4,340 shp) for use while surfaced, two Siemens-Schuckert 2 GU 345/34 double-acting electric motors producing a total of 1,000 metric horsepower (740 kW; 990 shp) for use while submerged. She had two shafts and two 1.92 m (6 ft) propellers. The boat was capable of operating at depths of up to 230 metres (750 ft). [5]

The submarine had a maximum surface speed of 18.2 knots (33.7 km/h; 20.9 mph) and a maximum submerged speed of 7.3 knots (13.5 km/h; 8.4 mph). [5] When submerged, the boat could operate for 64 nautical miles (119 km; 74 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 12,000 nautical miles (22,000 km; 14,000 mi) at 10 knots (19 km/h; 12 mph). U-105 was fitted with six 53.3 cm (21 in) torpedo tubes (four fitted at the bow and two at the stern), 22 torpedoes, one 10.5 cm (4.13 in) SK C/32 naval gun, 180 rounds, and a 3.7 cm (1.5 in) SK C/30 as well as a 2 cm (0.79 in) C/30 anti-aircraft gun. The boat had a complement of forty-eight. [5]

Service history

Under the command of Kapitänleutnant Georg Schewe, U-105 left Kiel on 24 December 1940. She spent 39 days in the North Sea. During this patrol, she sank the British ship Bassano on 9 January 1941, [6] and Lurigethan, part of Convoy SL-61, on 26 January 1941, totalling 8,407 GRT. Five days later, on 31 January, U-105 arrived at the German-occupied port of Lorient, France, [7] which would remain her home port for the rest of her career. [2]

1941

U-105 left Lorient on her second patrol on 22 February 1941 and underwent a 112-day voyage in the Atlantic Ocean. Along with U-124, she was directed by the Oberkommando der Marine (Supreme naval headquarters), to attack Convoy SL-67. [8] During this attack, U-105 sank the merchant ship Harmodius, [9] on 8 March. [10] Collectively, the two U-boats sank a total of 28,148 tons. [8] U105 then stalked Convoy SL-68, sinking Medjerda [11] on 18 March, [12] Mandalika on 19 March [11] and Clan Ogilvy, [13] Benwyvis [14] and Jhelum, [15] all on the 21st. U-105 went on to score Nazi Germany's first kill off the coast of South America when she sank Ena de Larrinaga [16] on 5 April 1941. [17] [18] Later during the patrol she sank Oakdene, part of Convoy OG-59. On 6 May, [17] Benvrackie, [14] part of Convoy OB 312; on the 13th, [14] Benvenue [14] part of Convoy OB 314 and on the 15th, [14] Rodney Star on 16 May and Scottish Monarch on 1 June [19] [20] as part of Convoy OB 319. This was the second most successful U-boat patrol of the entire Second World War, with 12 ships sunk for a total of 71,450 GRT. [21] On 5 May 1941, the 105mm deck gun exploded, wounding six crew members. U-105 returned to Lorient on 13 June, [22] and remained there until 3 August, when she departed on her third war patrol. [23]

On 5 August she was assigned to wolfpack 'Hammer' and remained with it until it was disbanded on 12 August, [24] when she was reassigned to wolfpack 'Grönland', with which she remained until its disbanding on 27 August. [25] She was then assigned to wolfpack 'Margrave', [26] and sank the Panamanian merchant ship Montana, [27] part of Convoy SC 42, on 11 September. [28] She returned to Lorient nine days later. [23] U-105 left Lorient on her fourth patrol on 8 November 1941 and spent 36 days in the North Atlantic. On 14 November she was assigned to wolfpack 'Steuben' and remained with it until 2 December. [29] Having sunk no ships during the patrol, she returned to Lorient on 13 December 1941. [30] Georg Schewe left the boat shortly after this patrol, and was replaced as commander by Heinrich Schuch. [1]

1942

On 25 January 1942 U-105 left Lorient on her fifth patrol. On 31 January she sank the British warship HMS Culver, part of Convoy SL 98, [31] south-west of Ireland, [32] and, on 5 February 1942, she rescued seven men from a crashed German Dornier Do 24 350 miles off the coast of France. U-105 returned to Lorient on 8 February. [33] Seventeen days later, on 25 February, U-105 left Lorient. Between 25 and 27 March, she sank the British merchant ship Narragansett and the Norwegian merchant ship Svenør off the east coast of the United States. U-105 returned to Lorient on 15 April after spending 50 days in the North Atlantic, [34] and left on another patrol on 7 June. While crossing the Bay of Biscay, she was attacked by an Australian Short Sunderland aircraft from No. 10 Squadron RAAF. U-105 sought shelter in Ferrol, Spain [35] and did not leave until 28 June, when she departed for Lorient, which she reached on the 30th. The attack apparently caused serious damage, as she did not sail again until 23 November. [36] During this period, Oberleutnant zur See Hans-Adolf Schweichel was put in command of the boat, but did not undertake any patrols [37] and was replaced by Oberleutnant zur See Jürgen Nissen, under whose command U-105 left Lorient. [38]

While patrolling the North Atlantic she succeeded in sinking three British merchant ships; Orfor [39] on 14 December 1942, C.S. Flight on 12 January 1943, and British Vigilance, part of Convoy TM 1, on 24 January, as well as the American freighter [40] Cape Decision on the 27th. [38] U-105 returned to Lorient on 14 February, [38] and remained there until 16 March. During this patrol, (on 1 April), the boat's commander, Jürgen Nissen, was promoted to Kapitänleutnant. [41] On 15 May 1943 U-105 sank the Greek merchant ship Maroussio Logothetis [42] 250 miles southwest of Freetown. [43] On 2 June 1943, while passing close to Dakar, U-105 was attacked and sunk by the one and only Potez-CAMS 141 flying boat "Antarés" from Free French Squadron 141. All 53 crew members were killed. [1] [44] [45]

Summary of raiding history

DateShipNationalityTonnage [Note 1] Fate [4]
9 January 1941 Bassano Civil Ensign of the United Kingdom.svg  United Kingdom 4,843Sunk
26 January 1941 Lurigethan Civil Ensign of the United Kingdom.svg  United Kingdom 3,564Sunk
8 March 1941 Harmodius Civil Ensign of the United Kingdom.svg  United Kingdom 5,229Sunk
18 March 1941 Medjerda Civil Ensign of the United Kingdom.svg  United Kingdom 4,380Sunk
19 March 1941 Mandalika Flag of the Netherlands.svg  Netherlands 7,750Sunk
21 March 1941 Benwyvis Civil Ensign of the United Kingdom.svg  United Kingdom 5,920Sunk
21 March 1941 Clan Ogilvy Civil Ensign of the United Kingdom.svg  United Kingdom 5,802Sunk
21 March 1941 Jhelum Civil Ensign of the United Kingdom.svg  United Kingdom 4,038Sunk
5 April 1941 Ena de Larringa Civil Ensign of the United Kingdom.svg  United Kingdom 5,200Sunk
6 May 1941 Oakdene Civil Ensign of the United Kingdom.svg  United Kingdom 4,255Sunk
13 May 1941 Benyrackie Civil Ensign of the United Kingdom.svg  United Kingdom 6,434Sunk
15 May 1941 Benvenue Civil Ensign of the United Kingdom.svg  United Kingdom 5,920Sunk
16 May 1941 Rodney Star Civil Ensign of the United Kingdom.svg  United Kingdom 11,803Sunk
1 June 1941 Scottish Monarch Civil Ensign of the United Kingdom.svg  United Kingdom 4,719Sunk
11 September 1941 Montana Flag of Panama.svg  Panama 1,549Sunk
31 January 1942 HMS Culver Naval Ensign of the United Kingdom.svg  Royal Navy 1,546Sunk
25 March 1942 Narrangansett Civil Ensign of the United Kingdom.svg  United Kingdom 10,389Sunk
27 March 1942 Svenør Flag of Norway.svg  Norway 7,616Sunk
14 December 1942 Orfor Civil Ensign of the United Kingdom.svg  United Kingdom 6,578Sunk
12 January 1943 C.S. Flight Civil Ensign of the United Kingdom.svg  United Kingdom 67Sunk
24 January 1943 British Vigilance Civil Ensign of the United Kingdom.svg  United Kingdom 8,093Sunk
27 January 1943 Cape Decision Flag of the United States (1912-1959).svg  United States 5,106Sunk
15 May 1943 Marusso Logothetis Flag of Greece.svg  Greece 4,669Sunk

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References

Notes

  1. ↑ Merchant ship tonnages are in gross register tons. Military vessels are listed by tons displacement.

Citations

  1. 1 2 3 4 5 6 7 8 9 10 11 12 Helgason, Guðmundur. "The Type IXB boat U-105". German U-boats of WWII - uboat.net. Retrieved 3 July 2011.
  2. 1 2 3 Helgason, Guðmundur. "War Patrols by U-105". German U-boats of WWII - uboat.net. Retrieved 3 July 2011.
  3. ↑ Kemp 1999, p. 123.
  4. 1 2 Helgason, Guðmundur. "Ships hit by U-105". German U-boats of WWII - uboat.net. Retrieved 3 July 2011.
  5. 1 2 3 4 Gröner 1991, p. 68.
  6. ↑ Jordan 2006, p. 487.
  7. ↑ Helgason, Guðmundur. "Patrol info for U-105 (First patrol)". German U-boats of WWII - uboat.net. Retrieved 4 July 2011.
  8. 1 2 Garzke and Dulin. Battleships: Axis and Neutral Battleships in World War II. p. 142.
  9. ↑ Rohwer 1999, p. 45.
  10. ↑ Jordan 2006, p. 498.
  11. 1 2 Rohwer 1999, p. 46.
  12. ↑ Jordan 2006, p. 504.
  13. ↑ Jordan 2006, p. 493.
  14. 1 2 3 4 5 Jordan 2006, p. 488.
  15. ↑ Rohwer 1999, p. 47.
  16. ↑ Rohwer 1999, p. 48.
  17. 1 2 Carey. Galloping Ghosts of the Brazilian Coast. p. 6.
  18. ↑ Jordan 2006, p. 496.
  19. ↑ Rohwer 1999, p. 54.
  20. ↑ Jordan 2006, p. 510.
  21. ↑ Helgason, Guðmundur. "Korvettenkapitän Georg Schewe". German U-boats of WWII - uboat.net. Retrieved 5 July 2011.
  22. ↑ Helgason, Guðmundur. "U-boat patrols: Patrol info for U-105 (Second patrol)". German U-boats of WWII - uboat.net. Retrieved 4 July 2011.
  23. 1 2 Helgason, Guðmundur. "U-boat patrols: Patrol info for U-105 (Third patrol)". German U-boats of WWII - uboat.net. Retrieved 4 July 2011.
  24. ↑ Helgason, Guðmundur. "Wolfpack Hammer". German U-boats of WWII - uboat.net. Retrieved 6 August 2011.
  25. ↑ Helgason, Guðmundur. "Wolfpack Grönland". German U-boats of WWII - uboat.net. Retrieved 6 August 2011.
  26. ↑ Williamson 2005, p. 210.
  27. ↑ Rohwer 1999, p. 65.
  28. ↑ Jordan 2006, p. 449.
  29. ↑ Helgason, Guðmundur. "Wolfpack Steuben". German U-boats of WWII - uboat.net. Retrieved 6 August 2011.
  30. ↑ Helgason, Guðmundur. "U-boat patrols: Patrol info for U-105 (Fourth patrol)". German U-boats of WWII - uboat.net. Retrieved 4 July 2011.
  31. ↑ Rohwer 1999, p. 76.
  32. ↑ Geoffrey B. Mason. "HMS CULVER (Y 87) - ex-US Coast Guard Cutter". Service histories of Royal Navy warships in World War 2. Naval-history.net. Retrieved 5 August 2011.
  33. ↑ Helgason, Guðmundur. "U-boat patrols: Patrol info for U-105 (Fifth patrol)". German U-boats of WWII - uboat.net. Retrieved 5 July 2011.
  34. ↑ Helgason, Guðmundur. "U-boat patrols: Patrol info for U-105 (Sixth patrol)". German U-boats of WWII - uboat.net. Retrieved 5 July 2011.
  35. ↑ Lake. Sunderland Squadrons of World War 2. p. 32.
  36. ↑ Helgason, Guðmundur. "U-boat patrols: Patrol info for U-105 (Seventh patrol)". German U-boats of WWII - uboat.net. Retrieved 5 July 2011.
  37. ↑ Helgason, Guðmundur. "Oberleutnant zur See Hans-Adolf Schweichel". German U-boats of WWII - uboat.net. Retrieved 30 August 2011.
  38. 1 2 3 Helgason, Guðmundur. "U-boat patrols: Patrol info for U-105 (Eighth patrol)". German U-boats of WWII - uboat.net. Retrieved 6 July 2011.
  39. ↑ Rohwer 1999, p. 141.
  40. ↑ Dickson. World War Two Almanac. p. 158.
  41. ↑ Helgason, Guðmundur. "Kapitänleutnant Jürgen Nissen". German U-boats of WWII - uboat.net. Retrieved 29 August 2011.
  42. ↑ Rohwer 1999, p. 167.
  43. ↑ Helgason, Guðmundur. "Maroussio Logothetis (Greek Steam merchant)". German U-boats of WWII - uboat.net. Retrieved 6 July 2011.
  44. ↑ Helgason, Guðmundur. "Patrol info for U-105 (Ninth patrol)". German U-boats of WWII - uboat.net. Retrieved 6 July 2011.
  45. ↑ Blair 1998, p. 207.

Bibliography

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