SM UB-80

SM UB-80 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 8 September 1917 as SM UB-80.

UB-80 was surrendered to Italy in accordance with the requirements of the Armistice with Germany on 26 November 1918 and broken up at La Spezia in May 1919.

Construction
She was built by AG Weser of Bremen and following just under a year of construction, launched at Bremen on 4 August 1917. UB-80 was commissioned later that same year under the command of Kptlt. Max Viebeg. Like all Type UB III submarines, UB-80 carried 10 torpedoes and was armed with a 8.8 cm deck gun. UB-80 would carry a crew of up to 3 officer and 31 men and had a cruising range of 8,180 nmi. UB-80 had a displacement of 516 t while surfaced and 647 t when submerged. Her engines enabled her to travel at 13.4 kn when surfaced and 7.5 kn when submerged.