HMS Portisham in Southampton Water, near Southampton container terminal on the 11 July 1982, she was part of the fleet of boats in Southampton to welcome Canberra back from the Falklands see
http://www.shipsnostalgia.com/gallery/showphoto.php/photo/191986/title/canberra/cat/520
By1982 Portisham was operated by the RNXS as a peacetime training vessel
