SM U-105

Last updated
German submarines Cherbourg NH 43779.jpg
U-105 in Cherbourg around 1920
History
War Ensign of Germany 1903-1918.svg German Empire
NameU-105
Ordered5 May 1916
Builder Germaniawerft, Kiel
Yard number274
Launched16 May 1917
Commissioned4 July 1917
FateSurrendered to France 20 November 1918
Civil and Naval Ensign of France.svgFrance
NameJean Autric
Namesake Jean Autric
Acquired1918
Stricken27 January 1937
FateSold for scrap, 1938
General characteristics [1]
Class and type Type U 93 submarine
Displacement
  • 798  t (785 long tons) surfaced
  • 1,000 t (980 long tons) submerged
Length
Beam
  • 6.30 m (20 ft 8 in) (o/a)
  • 4.15 m (13 ft 7 in) (pressure hull)
Height8.25 m (27 ft 1 in)
Draught3.90 m (12 ft 10 in)
Installed power
  • 2 × 2,400  PS (1,765  kW; 2,367  shp) surfaced
  • 2 × 1,200 PS (883 kW; 1,184 shp) submerged
Propulsion2 shafts, 2 × 1.70 m (5 ft 7 in) propellers
Speed
  • 16.4 knots (30.4 km/h; 18.9 mph) surfaced
  • 8.4 knots (15.6 km/h; 9.7 mph) submerged
Range
  • 9,280  nmi (17,190 km; 10,680 mi) at 8 knots (15 km/h; 9.2 mph) surfaced
  • 50 nmi (93 km; 58 mi) at 5 knots (9.3 km/h; 5.8 mph) submerged
Test depth50 m (164 ft 1 in)
Complement4 officers, 32 enlisted
Armament
Service record
Part of:
Commanders:
  • Kptlt. Friedrich Strackerjan [2]
  • 4 July 1917 – 11 November 1918
Operations: 6 patrols
Victories:
  • 18 merchant ships sunk
    (48,956  GRT)
  • 1 auxiliary warship sunk
    (6,878  GRT)
  • 2 merchant ships damaged
    (Unknown GRT) [3]

SM U-105 [Note 1] was one of the 329 submarines serving in the Imperial German Navy in World War I. U-105 was engaged in the naval warfare and took part in the First Battle of the Atlantic. After the war she was ceded to France, where the unit served as Jean Autric until being scrapped in 1938. [3]

Contents

On 17 October 1917, SM U-105 met Antilles, an American troop transport, during the return leg of a voyage to Europe. [4] Antilles was torpedoed by the submerged U-boat and went down just five minutes after being hit. [5] A total of 67 persons were killed in the sinking, [4] making the destruction of Antilles the event costing the single greatest number of American lives in the war to that date. [5]

Design

Type U 93 submarines were preceded by the shorter Type U 87 submarines. U-105 had a displacement of 798 tonnes (785 long tons) when at the surface and 1,000 tonnes (980 long tons) while submerged. [1] She had a total length of 71.55 m (234 ft 9 in), a pressure hull length of 56.05 m (183 ft 11 in), a beam of 6.30 m (20 ft 8 in), a height of 8.25 m (27 ft 1 in), and a draught of 3.90 m (12 ft 10 in). The submarine was powered by two 2,400 metric horsepower (1,800 kW; 2,400 shp) engines for use while surfaced, and two 1,200 metric horsepower (880 kW; 1,200 shp) engines for use while submerged. The boat had two propeller shafts and two 1.70 m (5 ft 7 in) propellers. She was capable of operating at depths of up to 50 metres (160 ft). [1]

The submarine had a maximum surface speed of 16.4 knots (30.4 km/h; 18.9 mph) and a maximum submerged speed of 8.4 knots (15.6 km/h; 9.7 mph). [1] When submerged, she could operate for 50 nautical miles (93 km; 58 mi) at 5 knots (9.3 km/h; 5.8 mph); when surfaced, she could travel 9,280 nautical miles (17,190 km; 10,680 mi) at 8 knots (15 km/h; 9.2 mph). U-105 was fitted with six 50 centimetres (20 in) torpedo tubes (four at the bow and two at the stern), twelve to sixteen torpedoes, one 10.5 cm (4.1 in) SK L/45, and one 8.8 cm (3.5 in) SK L/30 deck gun. She had a complement of thirty-six (thirty-two crew members and four officers). [1]

Summary of raiding history

DateNameNationalityTonnage [Note 2] Fate [6]
14 October 1917 Ecaterini C. D. Flag of Greece (1822-1978).svg  Greece 3,739Sunk
15 October 1917 Saint Paul Flag of France.svg  France 79Sunk
15 October 1917 St. Helens Flag of the United States (1912-1959).svg  United States 1,497Sunk
17 October 1917 Antilles Flag of the United States (1912-1959).svg  United States Army 6,878Sunk
19 December 1917 Vinovia Civil Ensign of the United Kingdom.svg  United Kingdom 7,046Sunk
22 December 1917 Colemere Civil Ensign of the United Kingdom.svg  United Kingdom 2,120Sunk
24 December 1917 Canova Civil Ensign of the United Kingdom.svg  United Kingdom 4,637Sunk
28 December 1917 Lord Derby Civil Ensign of the United Kingdom.svg  United Kingdom 3,757Sunk
24 February 1918 Sarpfos Flag of Norway.svg  Norway 1,458Sunk
26 February 1918 Dalewood Civil Ensign of the United Kingdom.svg  United Kingdom 2,420Sunk
27 February 1918 Largo Civil Ensign of the United Kingdom.svg  United Kingdom 1,764Sunk
1 March 1918 Penvearn Civil Ensign of the United Kingdom.svg  United Kingdom 3,710Sunk
2 March 1918 Carmelite Civil Ensign of the United Kingdom.svg  United Kingdom 2,583Sunk
29 April 1918 Christiana Davis Civil Ensign of the United Kingdom.svg  United Kingdom 86Sunk
29 April 1918 Johnny Toole Civil Ensign of the United Kingdom.svg  United Kingdom 84Sunk
7 May 1918 Nantes Civil Ensign of the United Kingdom.svg  United Kingdom 1,580Sunk
7 May 1918 Saxon Civil Ensign of the United Kingdom.svg  United Kingdom 1,595Sunk
2 July 1918 Pieuse Paysanne Flag of France.svg  France unknownDamaged
2 July 1918 Albert 1er Flag of France.svg  France unknownDamaged
31 August 1918 Milwaukee Civil Ensign of the United Kingdom.svg  United Kingdom 7,323Sunk
7 September 1918 Ruysdael Civil Ensign of the United Kingdom.svg  United Kingdom 3,478Sunk

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References

Notes

  1. ↑ "SM" stands for "Seiner Majestät" (English: His Majesty's) and combined with the U for Unterseeboot would be translated as His Majesty's Submarine.
  2. ↑ Tonnages are in gross register tons

Citations

  1. 1 2 3 4 5 Gröner 1991, pp. 12–14.
  2. ↑ Helgason, Guðmundur. "WWI U-boat commanders: Friedrich Strackerjan (Military Merit Cross (Mecklenburg-Schwerin))". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 17 December 2014.
  3. 1 2 Helgason, Guðmundur. "WWI U-boats: U 105". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net.
  4. 1 2 "Online Library of Selected Images: S.S. Antilles (American Passenger-Cargo Ship, 1907)," Department of the Navy, Navy Historical Center, www.history.navy.mil/
  5. 1 2 "The Tribune Graphic," in the New York Tribune, vol. 77, whole no. 25,914 (Oct. 28, 1917), pg. 1.
  6. ↑ Helgason, Guðmundur. "Ships hit by U 105". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 17 December 2014.

Bibliography

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