SM UB-113 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 25 April 1918 as SM UB-113.
UB-113 was lost in autumn 1918 for unknown reasons. According to recent sources, SM UB-113 probably crossed paths with the French gunboat l'Engageante on 29 August in the Gulf of Gascony and was sunk. Occasional confusion with the , which also met a mysterious fate, remains.
Construction
She was built by Blohm & Voss of Hamburg and following just under a year of construction, launched at Hamburg on 23 September 1917. UB-113 was commissioned in the spring the next year under the command of Oblt.z.S. Ulrich Pilzecker. Like all Type UB III submarines, UB-113 carried 10 torpedoes and was armed with a deck gun. UB-113 would carry a crew of up to 3 officer and 31 men and had a cruising range of . UB-113 had a displacement of while surfaced and when submerged. Her engines enabled her to travel at when surfaced and when submerged.