HMS Simoom

About

HMS Simoom was a third-batch S-class submarine built for the Royal Navy during World War II. She was laid down on 14 July 1941 and launched on 12 October 1942. After an initial patrol off Norway, Simoom sailed to Gibraltar, then to Algiers, French North Africa. From there, she conducted four patrols and attacked several ships, but only sank an Italian destroyer. Simoom then visited several ports in the eastern Mediterranean, then departed Port Said for a patrol off Turkey. She did not return from this patrol, and it is considered most likely that she hit a mine and sank. Her wreck was discovered in 2016 off Tenedos, Turkey.

The S-class submarines were designed to patrol the restricted waters of the North Sea and the Mediterranean Sea. The third batch was slightly enlarged and improved over the preceding second batch of the S class. The submarines had a length of 217 feet (66.1 m) overall, a beam of 23 feet 9 inches (7.2 m) and a draught of 14 feet 8 inches (4.5 m). They displaced 865 long tons (879 t) on the surface and 990 long tons (1,010 t) submerged. The S-class submarines had a crew of 48 officers and ratings. They had a diving depth of 300 feet (91...