SM UB-69

SM UB-69 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 12 October 1917 as SM UB-69.

UB-69 was serving in the Mediterranean when sunk at 37.5°N, 10.63333°W on 9 January 1918 by HMS Cyclamen. 31 crew members died in the event.

Construction
She was built by Friedrich Krupp Germaniawerft of Kiel and following just under a year of construction, launched at Kiel on 7 August 1917. UB-69 was commissioned later that same year. Like all Type UB III submarines, UB-69 carried 10 torpedoes and was armed with a 8.8 cm deck gun. UB-69 would carry a crew of up to 3 officer and 31 men and had a cruising range of 9090 nmi. UB-69 had a displacement of 513 t while surfaced and 647 t when submerged. Her engines enabled her to travel at 13.2 kn when surfaced and 7.6 kn when submerged.