SM U-111

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SM U-111 at sea, 1919
History
German Empire
Name: U-111
Ordered: 5 May 1916
Builder: Germaniawerft, Kiel
Yard number: 280
Launched: 5 September 1917
Commissioned: 30 December 1917
Fate: Surrendered to the USA 20 November 1918
General characteristics [1]
Class & type: German Type U 93 submarine
Displacement:
  • 798 t (785 long tons) surfaced
  • 996 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)
Height: 8.25 m (27 ft 1 in)
Draught: 3.76 m (12 ft 4 in)
Installed power:
  • 2 × 2,300 PS (1,692 kW; 2,269 shp) surfaced
  • 2 × 1,200 PS (883 kW; 1,184 shp) submerged
Propulsion: 2 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:
  • 8,300 nmi (15,400 km; 9,600 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 depth: 50 m (164 ft 1 in)
Complement: 4 officers, 32 enlisted
Armament:
  • 6 × 50 cm (19.7 in) torpedo tubes (four bow, two stern)
  • 12-16 torpedoes
  • 1 × 10.5 cm (4.1 in) deck gun
  • 1 × 8.8 cm (3.5 in) deck gun
Service record
Part of:
Commanders:
  • Kptlt. Hans Beyersdorff[2]
  • 30 December 1917 – 11 November 1918
Operations: 4 patrols
Victories: 3 merchant ship sunk (3,011 GRT)

SM U-111 was one of the 329 submarines serving in the Imperial German Navy in World War I. She took part in the First Battle of the Atlantic.[3] She was the only submarine which had a clergyman on board (Wilhelm Meinhold, Marinepfarrer).

Completed at Kiel early in January 1918, she went to the Kiel School for shakedown and training until March, when she joined 4. Flottille.[4] She was monitored continuously by British Naval Intelligence (Room 30), on which her movement reports are based. All her operations took place in 1918.

Service history

She departed 26 March on her first war patrol, operating in the Irish Sea and western entrance to the English Channel, sinking two steamers and returning to Kiel and 23 April.[5] Her second patrol began 27 May, sailing from Heligoland Bight via Muckle Flugga to the western English Channel. She sank at least one confirmed steamer, and returned the same way, arriving 24 June.[6] Her third patrol, between 25 August and 29 September, was via Fastnet and Scillies into the Irish Sea, where she was hampered by British A/S patrols and obtained no sinkings.[7]

U-111 surrendered at Harwich 20 November, after the Armistice.[8]

Summary of raiding career

Date Name Nationality Tonnage
(GRT)
Fate[9]
7 April 1918 Boscastle  United Kingdom 2,346 Sunk
28 May 1918 Dronning Margrethe  Denmark 393 Sunk
22 June 1918 Rana  Norway 272 Sunk

References

  1. Gröner, pp. 38-40.
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  4. Koerver.
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  8. Koerver.
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Bibliography

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External links