SM ''UB-115'' was a German Type UB III submarine or

U-boat U-boats were naval submarines operated by Germany, particularly in the First and Second World Wars. Although at times they were efficient fleet weapons against enemy naval warships, they were most effectively used in an economic warfare ro ...

in the

German Imperial Navy The Imperial German Navy or the Imperial Navy () was the navy of the German Empire, which existed between 1871 and 1919. It grew out of the small Prussian Navy (from 1867 the North German Federal Navy), which was mainly for coast defence. Wilhel ...

(german: Kaiserliche Marine) during

World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...

. She was commissioned into the German Imperial Navy on 28 May 1918 as SM ''UB-115''.) and combined with the ''U'' for ''Unterseeboot'' would be translated as ''His Majesty's Submarine''., group=Note She was the only German submarine commissioned with the number ''115''. ''UB-115'' was sunk by British warships, including and , and the rigid airship R29 at using depth charges and aerial bombs.

Construction

She was built by Blohm & Voss of

Hamburg (male), (female) en, Hamburger(s), Hamburgian(s) , timezone1 = Central (CET) , utc_offset1 = +1 , timezone1_DST = Central (CEST) , utc_offset1_DST = +2 , postal ...

and following just under a year of construction, launched at Hamburg on 4 November 1917. ''UB-115'' was commissioned in the spring the next year under the command of ''Oblt.z.S.'' Reinhold Thomsen. Like all Type UB III submarines, ''UB-115'' carried 10

torpedo A modern torpedo is an underwater ranged weapon launched above or below the water surface, self-propelled towards a target, and with an explosive warhead designed to detonate either on contact with or in proximity to the target. Historically, s ...

es and was armed with a deck gun. ''UB-115'' would carry a crew of up to 3 officer and 31 men and had a cruising range of . ''UB-115'' had a displacement of while surfaced and when submerged. Her engines enabled her to travel at when surfaced and when submerged.

Fate

On 29 September 1918 while under the command of Reinhold Thomsen, ''UB-115'' was engaged by armed trawlers (amongst others ''Viola''), the airship R29, and . ''UB-115'' was depth charged until destroyed and went down at position (

WGS84 The World Geodetic System (WGS) is a standard used in cartography, geodesy, and satellite navigation including GPS. The current version, WGS 84, defines an Earth-centered, Earth-fixed coordinate system and a geodetic datum, and also describ ...

), about northeast of Beacon Point,

Newton-by-the-Sea Newton-by-the-Sea is a civil parish in the county of Northumberland in Northern England. The parish is about 8 miles northwest of Alnwick, and lies on the coast between the larger settlements of Embleton and Seahouses. Newton-by-the-Sea is in t ...

, off Northumberland. All 39 men aboard the submarine died in the attack and sinking. ''UB-115''s wreck lies in two pieces and is covered in soft corals and an accretion formed from fly ash from a local power plant.

Summary of raiding history

References

Notes

Citations

Bibliography

* * * German Type UB III submarines World War I submarines of Germany U-boats commissioned in 1918 1917 ships Ships built in Hamburg U-boats sunk in 1918 U-boats sunk by depth charges U-boats sunk by British aircraft U-boats sunk by British warships World War I shipwrecks in the North Sea Ships lost with all hands Maritime incidents in 1918 {{germany-submarine-stub