SM UB-104

SM UB-104 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 15 March 1918 as SM UB-104.

UB-104 was sunk by mine in at the Northern Barrage on 19 September 1918.

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-104 was commissioned later the same year. Like all Type UB III submarines, UB-104 carried 10 torpedoes and was armed with a 8.8 cm deck gun. UB-104 would carry a crew of up to 3 officer and 31 men and had a cruising range of 7420 nmi. UB-104 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.