SM UB-72

SM UB-72 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 9 September 1917 as SM UB-72.

UB-72 was serving in the English Channel when she was sunk by a torpedo from HMS D4 at 50.13333°N, -2.68333°W on 12 May 1918.

Construction
She was built by AG Vulcan of Hamburg and following just under a year of construction, launched at Hamburg on 30 July 1917. UB-72 was commissioned later that same year. Like all Type UB III submarines, UB-72 carried 10 torpedoes and was armed with a 8.8 cm deck gun. UB-72 would carry a crew of up to 3 officer and 31 men and had a cruising range of 8420 nmi. UB-72 had a displacement of 508 t while surfaced and 639 t when submerged. Her engines enabled her to travel at 13.4 kn when surfaced and 7.5 kn when submerged.