SM UB-111

Last updated
UB 148 at sea 2.jpeg
UB-148 at sea, a U-boat similar to UB-111.
History
War Ensign of Germany 1903-1918.svg German Empire
NameUB-111
Ordered6 / 8 February 1917 [1]
Builder Blohm & Voss, Hamburg
Cost3,714,000 German Papiermark
Yard number317
Launched1 September 1917 [2]
Commissioned5 April 1918 [2]
FateSurrendered 21 November 1918, broken up [2]
General characteristics [2]
Class and type Type UB III submarine
Displacement
  • 519  t (511 long tons) surfaced
  • 649 t (639 long tons) submerged
Length55.30 m (181 ft 5 in) (o/a)
Beam5.80 m (19 ft)
Draught3.70 m (12 ft 2 in)
Propulsion
Speed
  • 13.3 knots (24.6 km/h; 15.3 mph) surfaced
  • 7.5 knots (13.9 km/h; 8.6 mph) submerged
Range
  • 7,420  nmi (13,740 km; 8,540 mi) at 6 knots (11 km/h; 6.9 mph) surfaced
  • 55 nmi (102 km; 63 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth50 m (160 ft)
Complement3 officers, 31 men [2]
Armament
Service record
Part of:
Commanders:
  • Oblt.z.S. / Kptlt. Egon von Werner [3]
  • 5 April – 11 November 1918
Operations: 3 patrols
Victories: 7 merchant ships sunk
(694  GRT)

SM UB-111 was a German Type UB III submarine or U-boat in the German Imperial Navy (German : Kaiserliche Marine) during World War I. She was commissioned into the German Imperial Navy on 5 April 1918 as SM UB-111. [Note 1]

Contents

UB-111 was surrendered to Britain on 21 November 1918 in accordance with the requirements of the Armistice with Germany and broken up in Bo'ness in 1919-20. [2]

Construction

She was built by Blohm & Voss of Hamburg and following just under a year of construction, launched at Hamburg on 1 September 1917. UB-111 was commissioned in the spring the next year under the command of Kptlt. Egon von Werner. Like all Type UB III submarines, UB-111 carried 10 torpedoes and was armed with a 8.8 cm (3.46 in) deck gun. UB-111 would carry a crew of up to 3 officer and 31 men and had a cruising range of 7,420 nautical miles (13,740 km; 8,540 mi). UB-111 had a displacement of 519  t (511 long tons) while surfaced and 649 t (639 long tons) when submerged. Her engines enabled her to travel at 13.3 knots (24.6 km/h; 15.3 mph) when surfaced and 7.4 knots (13.7 km/h; 8.5 mph) when submerged.

Summary of raiding history

DateNameNationalityTonnage [Note 2] Fate [4]
24 August 1918 Hollandia Flag of the Netherlands.svg  Netherlands 103Sunk
24 August 1918 Majoor Thomson Flag of the Netherlands.svg  Netherlands 113Sunk
24 August 1918 Maria Johanna Flag of the Netherlands.svg  Netherlands 126Sunk
24 August 1918 Neerlandia II Flag of the Netherlands.svg  Netherlands 100Sunk
24 August 1918 Neerlandia III Flag of the Netherlands.svg  Netherlands 117Sunk
24 August 1918 Secunda Flag of the Netherlands.svg  Netherlands 30Sunk
24 August 1918 Stella Flag of the Netherlands.svg  Netherlands 105Sunk

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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. ↑ Rössler 1979, p. 66.
  2. 1 2 3 4 5 6 Gröner 1991, pp. 25–30.
  3. ↑ Helgason, Guðmundur. "WWI U-boat commanders: Egon von Werner (Royal House Order of Hohenzollern)". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 9 March 2015.
  4. ↑ Helgason, Guðmundur. "Ships hit by UB 111". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 9 March 2015.

Bibliography

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