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    Toisa orders new generation PSVs in China

    Vessel & ROV News // August 18, 2005

    Sealion Shipping Ltd in the UK has announced that an order has been placed by Toisa Ltd with the Wuchang Shipyard in China for the building of three very large DP PSVs.

    The new vessels are to be upgraded versions of the very successful VS483 design which is already in service with Sealion Shipping Ltd and others in the North Sea. They have been designated VS483 MkII and will be 87.40m overall, with a breadth of 19.00m depth of 8.00m, and deadweight of 4,900 tonnes.

    The new design will have a pair of 3,000kW main engines and quartet of 830kW thrusters.

    The VS483 MkII will provide a clear deck of 1,020m2, and deck load of 3,000 tonnes, plus the ability to transport 15,538 cubic feet  of dry bulk in a total of eight tanks, 5,805bbls of liquid mud, 5,459bbls of brine, and 1,383bbls of base oil.

    Sealion Shipping Ltd, working alongside the designers, Vik-Sandvik, says it has developed and enhanced the original vessel design in order to meet the future needs of the offshore oil and gas industry worldwide.

    Emphasis has been placed on maximising cargo capacities and enhancing the vessels seakeeping characteristics. "We are confident that these ships will have wide appeal to charterers as they strive to refine their logistics support in the coming years and for which the right vessels are a key component," said Sealion.

    Wuchang Shipyard in China is currently building three 12,000bhp AHTS for Toisa.

    More details regarding Sealion Shipping Ltd and the Toisa Fleet of offshore vessels can be found at


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