'' Puttenham '' was built by John I. Thornycroft & Company , was launched on 25 June 1956 and completed on 9 May 1958 . She was laid up in reserve ashore at Rosneath in Scotland from 1958 to 1963 . In 1964 , '' Puttenham '' was allocated to the Royal Naval Auxiliary Service ( RNXS ) at Devonport . In June 1967 , HMS '' Puttenham '' , equipped with twelve divers under the command of Engineer-Lieutenant Roy Graham , sailed to the Isles of Scilly in search of the wrecks of the great naval disaster in 1707 . The wreck of '' HMS Association '' , a 90-gun second rate ship of the line , was finally located . Divers first discovered a cannon , and on the third dive , silver and gold coins were spotted . More than 2,000 coins and other artefacts were later recovered from the site and auctioned by Sotheby 's in July 1969 . '' Puttenham '' remained in service with the RNXS at Plymouth until 1978 . HMS '' Puttenham '' eventually ended service for the Royal Navy in 1980 . She was sold to a private company and changes were later made to her superstructure . She continued serving in Greece as the passenger ferry '' Eleftheria '' until she was finally dismantled in Crete in November 2006 , after 50 years at sea
great naval disaster in 1707
Scilly naval disaster of 1707
HMS Puttenham