SM UB-72 was a German Type UB III submarine or U-boat in the German Imperial Navy () 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 at 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 deck gun. UB-72 would carry a crew of up to 3 officer and 31 men and had a cruising range of . UB-72 had a displacement of while surfaced and when submerged. Her engines enabled her to travel at when surfaced and when submerged.

Summary of raiding history DateNameNationalityTonnageMerchant ship tonnages are in gross register tons. Military vessels are listed by tons displacement.Fate3 February 1918Svanfos896Sunk28 March 1918HMS Tithonus3,463Sunk30 March 1918Vafos1,322Sunk6 May 1918Sandhurst3,034Sunk8 May 1918Quito3,358Damaged9 May 1918Baron Ailsa1,836Sunk

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