SM UB-80

For other ships of the same name, see German submarine U-80.

History
UB-148 at sea, a U-boat similar to UB-80.
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 & 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 (19.0 ft)
Draught:	3.72 m (12 ft 2 in)
Propulsion:	2 × propeller shaft 2 × Körting four-stroke 6-cylinder diesel engines, 1,050 bhp (780 kW) 2 × Brown, Boveri & Cie electric motors, 780 shp (580 kW)
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:	5 × 50 cm (19.7 in) torpedo tubes (4 bow, 1 stern) with 10 torpedoes 1 × 8.8 cm (3.46 in) deck gun
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)

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.^{[nb 1]}

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 (GRT)	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

Notes

↑ "SM" stands for "Seiner Majestät" (English: His Majesty's) and combined with the U for Unterseeboot would be translated as His Majesty's Submarine.

References

↑ Rössler 1979, p. 55.
1 2 3 4 5 6 Gröner 1991, pp. 25-30.
↑ Helgason, Guðmundur. "Max Viebeg (Pour le Mérite)". German and Austrian U-Boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 7 February 2015.
↑ 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.
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.

German Type UB III submarines

SM UB-48 SM UB-49 SM UB-50 SM UB-51 SM UB-52 SM UB-53 SM UB-54 SM UB-55 SM UB-56 SM UB-57 SM UB-58 SM UB-59 SM UB-60 SM UB-61 SM UB-62 SM UB-63 SM UB-64 SM UB-65 SM UB-66 SM UB-67 SM UB-68 SM UB-69 SM UB-70 SM UB-71 SM UB-72 SM UB-73 SM UB-74 SM UB-75 SM UB-76 SM UB-77 SM UB-78 SM UB-79 SM UB-80 SM UB-81 SM UB-82 SM UB-83 SM UB-84 SM UB-85 SM UB-86 SM UB-87 SM UB-88 SM UB-89 SM UB-90 SM UB-91 SM UB-92 SM UB-93 SM UB-94 SM UB-95 SM UB-96 SM UB-97 SM UB-98 SM UB-99 SM UB-100 SM UB-101 SM UB-102 SM UB-103 SM UB-104 SM UB-105 SM UB-106 SM UB-107 SM UB-108 SM UB-109 SM UB-110 SM UB-111 SM UB-112 SM UB-113 SM UB-114 SM UB-115 SM UB-116 SM UB-117 SM UB-118 SM UB-119 SM UB-120 SM UB-121 SM UB-122 SM UB-123 SM UB-124 SM UB-125 SM UB-126 SM UB-127 SM UB-128 SM UB-129 SM UB-130 SM UB-131 SM UB-132 SM UB-133 SM UB-136 SM UB-142 SM UB-143 SM UB-144 SM UB-145 SM UB-148 SM UB-149 SM UB-150 SM UB-154 SM UB-155

Preceded by: Type UB II Followed by: Type VII (World War II)

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