HMS Amphion (P439)
HMS Amphion , was an Amphion-class submarine of the Royal Navy, built by Vickers-Armstrongs and launched 31 August 1944.
HMS Amphion, later S43, was the first of the class to be launched in August 1944. She was originally to be named as HMS Anchorite but their names were exchanged before launch. Of the class, only Amphion and HMS Astute were completed before the end of the war, and neither were involved in hostilities. In 1953 she took part in the Fleet Review to celebrate the Coronation of Queen Elizabeth II.
Design
Like all Amphion-class submarines, Amphion had a displacement of when at the surface and while submerged. She had a total length of, a beam of, and a draught of. The submarine was powered by two Admiralty ML eight-cylinder diesel engines generating a power of each. She also had four electric motors each producing that drove two shafts. She could carry a maximum of of diesel, although she usually carried between.The submarine had a maximum surface speed of and a submerged speed of. When submerged, she could operate at for or at for. When surfaced, she was able to travel at or at. She was fitted with ten 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.