SM UB-80

SM UB-80 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 8 September 1917 as SM UB-80.[Note 1]

For other ships with the same name, see German submarine U-80.
UB-148 at sea, a U-boat similar to UB-80.
History
German Empire
Name: UB-80
Ordered: 23 September 1916[1]
Builder: AG Weser, Bremen
Cost: 3,341,000 German Papiermark
Yard number: 280
Launched: 4 August 1917[2]
Commissioned: 8 September 1917[2]
Fate: surrendered 26 November 1918[2]
General characteristics [2]
Class and type: German Type UB III submarine
Displacement:
  • 516 t (508 long tons) surfaced
  • 647 t (637 long tons) submerged
Length: 55.85 m (183 ft 3 in) (o/a)
Beam: 5.80 m (19 ft)
Draught: 3.72 m (12 ft 2 in)
Propulsion:
Speed:
  • 13.4 knots (24.8 km/h; 15.4 mph) surfaced
  • 7.5 knots (13.9 km/h; 8.6 mph) submerged
Range:
  • 8,180 nmi (15,150 km; 9,410 mi) at 6 knots (11 km/h; 6.9 mph) surfaced
  • 50 nmi (93 km; 58 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth: 50 m (160 ft)
Complement: 3 officers, 31 men[2]
Armament:
Service record
Part of:
  • Flandern Flotilla
  • 6 November 1917 – October 1918
  • II Flotilla
  • 7 October – 11 November 1918
Commanders:
  • Kptlt. Max Viebeg[3]
  • 8 September 1917 – 11 November 1918
Operations: 10 patrols
Victories:
  • 20 merchant ships sunk (35,478 GRT)
  • 5 merchant ships damaged (26,322 GRT)

UB-80 was surrendered to Italy in accordance with the requirements of the Armistice with Germany on 26 November 1918 and broken up at La Spezia in May 1919.[2]

Construction
Main article: German Type UB III submarine

She was built by AG Weser of Bremen and following just under a year of construction, launched at Bremen on 4 August 1917. UB-80 was commissioned later that same year under the command of Kptlt. Max Viebeg. Like all Type UB III submarines, UB-80 carried 10 torpedoes and was armed with a 8.8 cm (3.46 in) deck gun. UB-80 would carry a crew of up to 3 officer and 31 men and had a cruising range of 8,180 nautical miles (15,150 km; 9,410 mi). UB-80 had a displacement of 516 t (508 long tons) while surfaced and 647 t (637 long tons) when submerged. Her engines enabled her to travel at 13.4 knots (24.8 km/h; 15.4 mph) when surfaced and 7.5 knots (13.9 km/h; 8.6 mph) when submerged.

Summary of raiding history
Date Name Nationality Tonnage[Note 2] Fate[4]
26 November 1917 Ango  France 7,393 Damaged
27 November 1917 Bleamoor  United Kingdom 3,755 Sunk
30 November 1917 Kalibia  United Kingdom 4,930 Sunk
4 December 1917 Vav  Norway 1,255 Sunk
5 December 1917 Armenia  United States 5,463 Damaged
11 January 1918 Barsac  France 1,806 Sunk
11 January 1918 Mississippi  France 6,687 Damaged
14 January 1918 Arthur Capel  France 822 Sunk
17 January 1918 Kingsdyke  United Kingdom 1,710 Sunk
17 January 1918 War Thistle  United Kingdom 5,166 Damaged
4 March 1918 Polkerris  France 943 Sunk
5 March 1918 Uskmoor  United Kingdom 3,189 Sunk
7 March 1918 Martha  Belgium 653 Sunk
9 March 1918 Grane  Norway 1,122 Sunk
15 April 1918 Ailsa Craig  United Kingdom 601 Sunk
16 April 1918 George Harper  United Kingdom 1,613 Damaged
18 April 1918 Bamse  United Kingdom 958 Sunk
21 April 1918 Westergate  United Kingdom 1,760 Sunk
25 April 1918 Sevilla  Norway 1,318 Sunk
7 June 1918 Axpe Mendi  Spain 2,873 Sunk
10 June 1918 Stryn  United Kingdom 2,143 Sunk
11 June 1918 Boma  United Kingdom 2,694 Sunk
30 July 1918 Stock Force  Royal Navy 732 Sunk
6 September 1918 Audax  United Kingdom 975 Sunk
9 September 1918 Taurus  Norway 1,239 Sunk
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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. Merchant ship tonnages are in gross register tons. Military vessels are listed by tons displacement.

Citations
  1. Rössler 1979, p. 55.
  2. Gröner 1991, pp. 25-30.
  3. Helgason, Guðmundur. "WWI U-boat commanders: Max Viebeg (Pour le Mérite)". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 7 February 2015.
  4. Helgason, Guðmundur. "Ships hit by UB 80". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 4 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.CS1 maint: ref=harv (link)
  • Gröner, Erich; Jung, Dieter; Maass, Martin (1991). U-boats and Mine Warfare Vessels. German Warships 1815–1945. 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. Die deutschen U-Boote und ihre Werften (in German). I. Munich: Bernard & Graefe. ISBN 3-7637-5213-7.CS1 maint: ref=harv (link)

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