SM U-97 was one of the 329 submarines serving in the Imperial German Navy in World War I. U-97 was engaged in the naval warfare and took part in the First Battle of the Atlantic.[1] The German unit sank by accident on her way to surrender at position 53.4167°N 13°W.
Type U 93 submarines were preceded by the shorter Type U 87 submarines. U-97 had a displacement of 838t when at the surface and 1000t while submerged. She had a total length of 71.55m (234.74feet), a pressure hull length of 56.05m (183.89feet), a beam of 6.3m (20.7feet), a height of 8.25m (27.07feet), and a draught of 3.94m (12.93feet). The submarine was powered by two 2300PS engines for use while surfaced, and two 1200PS engines for use while submerged. She had two propeller shafts. She was capable of operating at depths of up to .
The submarine had a maximum surface speed of and a maximum submerged speed of . When submerged, she could operate for at ; when surfaced, she could travel at . U-97 was fitted with six torpedo tubes (four at the bow and two at the stern), twelve to sixteen torpedoes, and one 8.8sp=usNaNsp=us SK L/30 deck gun. She had a complement of thirty-six (thirty-two crew members and four officers).
| Date | Name | Nationality | Tonnage[2] | Fate[3] | |
|---|---|---|---|---|---|
| 22 November 1917 | Conovium |  United Kingdom | 86 | Sunk | |
| 22 November 1917 | Elsena | United Kingdom | 335 | Sunk | |
| 22 November 1917 | Hartland | United Kingdom | 4,785 | Damaged | |
| 11 February 1918 | HMS Westphalia | 1,467 | Sunk | ||
| 2 June 1918 | Argus |  Denmark | 201 | Sunk |