UB-148 at sea, a U-boat similar to UB-92.
History
German Empire
NameUB-92
Ordered6 / 8 February 1917[1]
BuilderAG Vulcan, Hamburg
Cost3,654,000 German Papiermark
Yard number108
Launched25 March 1918[2]
Commissioned27 April 1918[2]
FateSurrendered 21 November 1918, broken up in 1919-20[2]
General characteristics [2]
Class and typeGerman Type UB III submarine
Displacement
  • 510 t (500 long tons) surfaced
  • 640 t (630 long tons) submerged
Length55.52 m (182 ft 2 in) (o/a)
Beam5.76 m (18 ft 11 in)
Draught3.73 m (12 ft 3 in)
Propulsion
Speed
  • 13 knots (24 km/h; 15 mph) surfaced
  • 7.4 knots (13.7 km/h; 8.5 mph) submerged
Range
  • 7,120 nmi (13,190 km; 8,190 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:
  • II Flotilla
  • 12 July – 11 November 1918
Commanders:
  • Kptlt.d.R. Franz Krapohl[3]
  • 27 April – 30 June 1918
  • Oblt.z.S. Johannes Paul Müller[4]
  • 1 July – 11 November 1918
Operations: 2 patrols
Victories: 8 merchant ships sunk
(17,189 GRT)

SM UB-92 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 27 April 1918 as SM UB-92.[Note 1]

UB-92 was surrendered to Britain on 21 November 1918 and broken up in Bo'ness in 1919/20.[2]

Construction

She was built by AG Vulcan of Hamburg and following just under a year of construction, launched at Hamburg on 25 March 1918. UB-92 was commissioned later the same year . Like all Type UB III submarines, UB-92 carried 10 torpedoes and was armed with a 10.5 cm (4.13 in) deck gun. UB-92 would carry a crew of up to 3 officer and 31 men and had a cruising range of 7,120 nautical miles (13,190 km; 8,190 mi). UB-92 had a displacement of 510 t (500 long tons) while surfaced and 640 t (630 long tons) when submerged. Her engines enabled her to travel at 13 knots (24 km/h; 15 mph) when surfaced and 7.4 knots (13.7 km/h; 8.5 mph) when submerged.


Summary of raiding history

Date Name Nationality Tonnage[Note 2] Fate[5]
20 August 1918 Boltonhall  United Kingdom 3,595 Sunk
21 August 1918 Boscawen  United Kingdom 1,936 Sunk
22 August 1918 Palmella  United Kingdom 1,352 Sunk
24 August 1918 Virent  United Kingdom 3,771 Sunk
25 August 1918 Carasa  Spain 2,099 Sunk
17 October 1918 Bonvilston  United Kingdom 2,865 Sunk
18 October 1918 Industry  United Kingdom 1,460 Sunk
20 October 1918 Emily Millington  United Kingdom 111 Sunk

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. 61.
  2. 1 2 3 4 5 6 Gröner 1991, pp. 25–30.
  3. ↑ Helgason, Guðmundur. "WWI U-boat commanders: Franz Krapohl". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 8 February 2015.
  4. ↑ Helgason, Guðmundur. "WWI U-boat commanders: Johannes Paul Müller". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 8 February 2015.
  5. ↑ Helgason, Guðmundur. "Ships hit by UB 92". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 8 February 2015.

Bibliography

  • Bendert, Harald (2000). Die UB-Boote der Kaiserlichen Marine, 1914-1918. Einsätze, Erfolge, Schicksal (in German). Hamburg: Verlag E.S. Mittler & Sohn GmbH. ISBN 3-8132-0713-7.
  • Gröner, Erich; Jung, Dieter; Maass, Martin (1991). U-boats and Mine Warfare Vessels. German Warships 1815–1945. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN 0-85177-593-4.
  • Rössler, Eberhard (1979). U-Bootbau bis Ende des 1. Weltkrieges, Konstruktionen für das Ausland und die Jahre 1935 – 1945 (in German). Vol. I. Munich: Bernard & Graefe. ISBN 3-7637-5213-7. {{cite book}}: |work= ignored (help)

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