SM UB-117

SM UB-117 was a German Type UB III submarine or U-boat in the German Imperial Navy (Kaiserliche Marine) during World War I. She was commissioned into the German Imperial Navy on 6 May 1918 as SM UB-117.

UB-117 was surrendered to the British on 26 November 1918 and broken up in Felixtowe 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 commissioned in the spring the next year. Like all Type UB III submarines, UB-117 carried 10 torpedoes and was armed with a 10.5 cm deck gun. UB-117 would carry a crew of up to 3 officer and 31 men and had a cruising range of 7420 nmi. UB-117 had a displacement of 519 t while surfaced and 649 t when submerged. Her engines enabled her to travel at 13.3 kn when surfaced and 7.4 kn when submerged.