HMS Acheron (P411)
Template:Short description Template:Other ships
Template:Infobox ship imageTemplate:Infobox ship careerTemplate:Infobox ship characteristicsHMS Acheron (P411) was an Template:Sclass of the Royal Navy, laid down 26 August 1944, launched 25 March 1947 and completed in 1948.
Design
Template:Stack Like all Template:Sclasss, Acheron had a displacement of Template:Convert when at the surface and Template:Convert while submerged. She had a total length of Template:Convert, a beam of Template:Convert, and a draught of Template:Convert. The submarine was powered by two Admiralty ML eight-cylinder diesel engines generating a power of Template:Convert each. She also contained four electric motors each producing Template:Convert that drove two shafts.<ref name="Akermann2002">Template:Cite book</ref> She could carry a maximum of Template:Convert of diesel, although she usually carried between Template:Convert.<ref name="Akermann2002"/>
The submarine had a maximum surface speed of Template:Convert and a submerged speed of Template:Convert.<ref>Template:Cite web</ref> When submerged, she could operate at Template:Convert for Template:Convert or at Template:Convert for Template:Convert. When surfaced, she was able to travel Template:Convert at Template:Convert or Template:Convert at Template:Convert.<ref name="Akermann2002"/> Acheron was fitted with ten Template:Convert torpedo tubes, one QF 4 inch naval gun Mk XXIII, one Oerlikon 20 mm cannon, and a .303 British Vickers machine gun. Her torpedo tubes were fitted to the bow and stern, and she could carry twenty torpedoes. Her complement was sixty-one crew members.<ref name="Akermann2002"/>
Service history
Acheron took part in the Coronation Review of the Fleet to celebrate the Coronation of Queen Elizabeth II in 1953.<ref>Souvenir Programme, Coronation Review of the Fleet, Spithead, 15 June 1953, HMSO, Gale and Polden</ref> she carried out 'General Naval Service' around the UK until the end of 1964. A geomagnetic storm in February 1956, during solar cycle 19, interfered with radio communications and prompted a search for the submarine after she lost radio contact.<ref>Template:Cite news</ref> From August to December 1959, she took part in a cruise to South Africa and Pakistan.<ref>Template:Cite news</ref>
She was decommissioned and broken up in 1972 at the yard of J Cashmore of Newport.<ref>Template:Cite web</ref>