in a severe gale, and was wrecked on Porthmellon in 1951. SS Scillonian, operated by the ISSC 1926–1956. SS Advance SS Endeavour MV Endeavour MV Nor Nor - operated by the ISSC 1931-1947. An ex-Royal Navy harbour launch that remained on Scilly following WW1, she was purchased by the Duchy of Cornwall (she was known at this time as the Duchy trot boat) before being purchased by ISSC. She was powered by twin motors. At some point Nor Nor was refitted for ISSC and fitted with a larger wheelhouse, her forward cabin replaced by a cargo hold, and a taller funnel and timber gunwales were added.. Like her sister ship, SS Gugh, she broke her moorings in St Mary's harbour in a severe gale, and was wrecked on Porthmellon in 1947. TSMV Lady of the Isles — operated by the ISSC 1947–1952. Sold to a French owner. Gondolier — operated by the ISSC ??–1967. Lyonnesse — operated by the ISSC ??– 1967. Golden Spray III — operated by the ISSC 1947–1968. Now operated by the St. Mary's Boatman's Association.MV Kittern — operated by the ISSC 1949–late 1960s. Built in 1904 as a Royal Navy 52 1/2 ft steam harbour launch, she was steamed from London by Matt Lethbridge at the helm, accompanied by Billie Thomas, engineer in 1947. She underwent an extensive refit for ISSC by engineer Henry Thomas, and carpenters, Ellis and Phillips, which included the replacement of her steam plant with twin motors, the addition of a new larger wheelhouse, the replacement of her forward cabin with a cargo hold, new funnel and the addition of high timber gunwales. It is thought Kittern was accidentally crushed by a much larger vessel against a pier and sank, possibly at Penzance, in the late 1960s or early 1970s. Kittern can be viewed in her original Naval form in 1948: https://www.britishpathe.com/video/island-mail/query/scilly, and in her post-refit state, 1963 at 1.07 here: https://www.britishpathe.com/video/scilly-isles/query/scilly MV Tean — operated by the ISSC 1952–early 1990s. Built as a Royal Navy harbour launch number 183942, at Dickie's yard, Bangor in 1941. Length . Gross tonnage 20.65. Registered tonnage 9.30. 12 ft beam. She was brought to Scilly in her original Naval state from Worcester, helmed by Clifford Jenkin, with motor engineer JT Lethbridge in attendance. Like MV Kittern, she underwent an extensive refit on Scilly, which included the replacement of her original power plant with a new