SM UB-71 [SEP] vessel class
SM UB-71
SM "UB-71" 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 23 November 1917 as SM "UB-71".
"UB-71" was serving in the Mediterranean when she was sunk by depth charges from off Menorca on 21 April 1918.
Construction.
She was built by Friedrich Krupp Germaniawerft of Kiel and following just under a year of construction, launched at Kiel on 12 July 1917
with a deck-mounted machine gun. "UB-13" was broken into sections and shipped by rail to Antwerp for reassembly. She was launched in March 1915 and commissioned as SM "UB-13" in April.
"UB-13" spent her entire career in the Flanders Flotilla and sank 11 merchant ships, about half of them British fishing vessels. In March 1916, "UB-13" was responsible for sinking the Dutch ocean liner , raising the ire of the Dutch public. "Tubantia" was the largest neutral vessel sunk during