SM UB-111

SM UB-111 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 5 April 1918 as SM UB-111.

UB-111 was surrendered to Britain on 21 November 1918 in accordance with the requirements of the Armistice with Germany and broken up in Bo'ness in 1919-20.

Construction
She was built by Blohm & Voss of Hamburg and following just under a year of construction, launched at Hamburg on 1 September 1917. UB-111 was commissioned in the spring the next year. Like all Type UB III submarines, UB-111 carried 10 torpedoes and was armed with a 8.8 cm deck gun. UB-111 would carry a crew of up to 3 officer and 31 men and had a cruising range of 7420 nmi. UB-111 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.