SM UB-86
SM UB-86 was a German Type UB III submarine or U-boat in the German Imperial Navy during World War I. She was commissioned into the German Imperial Navy on 31 October 1917 as SM UB-86.
UB-86 was surrendered to the Allies at Harwich on 24 November 1918 in accordance with the requirements of the Armistice with Germany. After passing into British hands, UB-86 was towed to Falmouth along with five other U-boats for use in a series of explosive test trials by the Royal Navy in Falmouth Bay, in order to find weaknesses in their design. Following her use on 14 January 1921, UB-86 was dumped on Castle Beach and sold to R. Roskelly & Rodgers on 19 April 1921 for scrap, and partially salvaged over the following decades, although parts remain in situ.
Construction
UB-85 was ordered on 23 September 1916.She was built by AG Weser of Bremen and following just under a year of construction, launched at Bremen on 10 October 1917. UB-86 was commissioned later that same year under the command of Kptlt. Hans Trenk. Like all Type UB III submarines, UB-86 carried 10 torpedoes and was armed with a deck gun. UB-86 would carry a crew of up to 3 officer and 31 men and had a cruising range of. UB-86 had a displacement of while surfaced and when submerged. Her engines enabled her to travel at when surfaced and when submerged.