SM UB-112

SM UB-112 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 16 April 1918 as SM UB-112.

UB-112 was surrendered to the Allies at Harwich on 24 November 1918 in accordance with the requirements of the Armistice with Germany; she was used for explosives trials off Falmouth on 20 November and 1 December 1920, after which the boat was dumped on Castle Beach. The wreck was sold for scrap to R. Roskelly & Rodgers on 19 April 1921 for £125, but remains survive in situ.

Construction
She was built by Blohm & Voss of Hamburg and following just under a year of construction, launched at Hamburg on 15 September 1917. UB-112 was commissioned in the spring the next year under the command of Kptlt. Wilhelm Rhein. Like all Type UB III submarines, UB-112 carried 10 torpedoes and was armed with a 8.8 cm deck gun. UB-112 would carry a crew of up to 3 officer and 31 men and had a cruising range of 7,420 nmi. UB-112 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.