SM UB-41 was a German Type UB II submarine

German type UB II submarine

The UB II type submarine was a class of U-boat built during World War I by the Kaiserliche Marine. They were enlarged from the preceding type UB I and were more effective vessels. The boats were a single hull design with a 50 metre maximum diving depth and a 30-45 second diving time...

 or U-boat

U-boat

U-boat is the anglicized version of the German word U-Boot , itself an abbreviation of Unterseeboot , and refers to military submarines operated by Germany, particularly in World War I and World War II...

 in the Kaiserliche Marine

Kaiserliche Marine

The Imperial German Navy was the German Navy created at the time of the formation of the German Empire. It existed between 1871 and 1919, growing out of the small Prussian Navy and Norddeutsche Bundesmarine, which primarily had the mission of coastal defense. Kaiser Wilhelm II greatly expanded...

 (Imperial German Navy) in World War I

World War I

World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

. She was ordered on 22 July 1915 and launched on 6 May 1916. She was commissioned into the German Imperial Navy on 25 August 1916 as SM UB-41."SM" stands for "Seiner Majestäts" (His Majesty's), which combined with the "U" for "Unterseeboot" translates as "His Majesty's Submarine".

The submarine sank 8 ships in 13 patrols. They included the William Cory and Son collier SS Harrow, which UB-41 torpedoed in the North Sea off Robin Hood's Bay

Robin Hood's Bay

Robin Hood’s Bay is a small fishing village and a bay located five miles south of Whitby and 15 miles north of Scarborough on the coast of North Yorkshire, England. Bay Town, its local name, is in the ancient chapelry of Fylingdales in the wapentake of Whitby Strand.-Toponymy:The origin of the name...

 on 8th September 1917.

UB-41 struck a mine and sank off Scarborough on 5 October 1917.