SM UC-47

SM UC-47 was a German Type UC II minelaying submarine or U-boat in the German Imperial Navy during World War I. The U-boat was ordered on 20 November 1915, laid down on 1 February 1916, and was launched on 30 August 1916. She was commissioned into the German Imperial Navy on 13 October 1916 as SM UC-47. In 13 patrols UC-47 was credited with sinking 58 ships, either by torpedo or by mines laid. UC-47 was rammed and depth charged by British patrol boat P-57, under the command of H.C. Birnie, off Flamborough Head on 18 November 1917. UC-47 went down with all hands.

Design

A Type UC II submarine, UC-47 had a displacement of when at the surface and while submerged. She had a length overall of, a beam of, and a draught of. The submarine was powered by two six-cylinder four-stroke diesel engines each producing, two electric motors producing, and two propeller shafts. She had a dive time of 48 seconds and was capable of operating at a depth of.
The submarine had a maximum surface speed of and a submerged speed of. When submerged, she could operate for at ; when surfaced, she could travel at. UC-47 was fitted with six mine tubes, eighteen UC 200 mines, three torpedo tubes, seven torpedoes, and one Uk L/30 deck gun. Her complement was twenty-six crew members.