SM UB-117 [SEP] vessel class
SM UB-117
SM "UB-117" was a German Type UB III submarine or U-boat in the Imperial German Navy during World War I. She was commissioned into the Imperial German Navy on 6 May 1918 as SM "UB-117".
"UB-117" was surrendered to the British on 26 November 1918 and broken up in Felixstowe in 1919/20.
Construction.
She was built by Blohm & Voss of Hamburg and following just under a year of construction, launched at Hamburg on 21 November 1917. "UB-117" was
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