SM UB-61

SM UB-61 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 23 June 1917 as SM UB-61.

The submarine conducted three patrols and sank two ships during the war for a total loss of. UB-61 was struck by a mine on 29 November 1917 at 53.33333°N, 4.93333°W and sunk with all hands lost.

Construction
UB-61 was ordered by the GIN on 20 May 1916.

She was built by AG Vulcan of Hamburg and following just under a year of construction, launched at Hamburg on 28 April 1917. UB-61 was commissioned later that same year. Like all Type UB III submarines, UB-61 carried 10 torpedoes and was armed with a 8.8 cm deck gun. UB-61 would carry a crew of up to 3 officer and 31 men and had a cruising range of 8,420 nmi. UB-61 had a displacement of 508 t while surfaced and 639 t when submerged. Her engines enabled her to travel at 13.3 kn when surfaced and 8 kn when submerged.