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Mobil Commissions Double Hull Supertanker Mobil Corporation has commis- sioned its second double hull tanker, VLCC Raven. Naming cer- emonies were held on May 31 at Sumitomo Heavy Industries, Ltd.'s Oppama shipyard in Japan. The 280,000-dwt tanker measures 1,089 x 190 ft. (317 x 58 m), and will carry a cargo of 2.2 million barrels crude oil "The Raven's advanced design demonstrated Mobil's commitment to the safe operation of all our ves- sels and our concern for the protec- tion of the marine environment," said Gerhard Kurz, president of Mobil Shipping and Transpor- tation Company (MOSAT). "The ship incorporates the latest double hull technology and vessel naviga- tion systems for an added margin of safety for the transportation of crude oil." The supertanker's design features exceed the strin- gent tanker safety standards set under OPA 90 and IMO rules. Mobil developed and patented the design for the first double-bottom tanker in 1968. The company reports that there are 10 ships in it's fleet have double bottoms. The double hull is an evolution of PFC; RAC; CAC; RIB; PCR; FPB; PBR. The missions are specific but the propulsion choice is universal.. ... Hamilton Jet G/obal sup?0 With over 20,000 installations worldwide, it's not surprising that HamiltonJet has links with most of today's hull forms. Whether a sophisticated military assault craft or a hard working crew boat, HamiltonJet will have a suitable waterjet propulsion system in their whatever the mission. extensive range to help you achieve optimum propulsion coefficients. Experience based pre and after sales services support all projects, ensuring a continuous connection between your hull and its destination, Link up with the waterjet specialists... HamiltonJet Manufactured in New Zealand by CWF Hamilton and Co. Ltd, P.O. Box 709, Christchurch, New Zealand, Ph: 64-3-348 4179, Fax: 64-3-348 6969 Worldwide Distributors — Italy, Spain, UK, USA, Canada, India, France, Germany, Holland, Australia, Finland, Hong Kong, Indonesia, Korea, Norway, Greece, Singapore, Sweden, Taiwan, Japan, Malaysia, Thailand, Denmark, Phillipines, Panama, South Africa. Circle 237 on Reader Service Card rwt nQ,-j the double bottom design. It extends the double bottom up the sides of the vessel to provide a sec- ond steel barrier between the cargo and the marine environment. Since the crude oil is carried in the interior tanks, a breech of the outer hull would not result in the spillage of any oil. The space between the inner and outer hulls of Raven is approxi- mately 10 ft. (3.10 m) on the bot- tom and 13 ft. (3.9 m) on the sides. When the ship is fully loaded with crude oil, this space is empty. After the tanker has discharged its cargo, the protective space between the two hulls is filled with sea water as ballast for the return voy- age. Raven will join MOSAT's fleet of 33 owned and controlled ocean- going tankers which, supplements by chartered vessels, transport more than 700 million barrels of crude oil and petroleum products around the world each year. Western Atlas International Orders Seatex Seapath 400 Seatex has sold a Seapath 400 system to Western Geophysical, a division of Western Atlas International. The Seapath 400 reportedly measures vessel atti- tude and heading accurate to .05 degrees. In addition, the system provides heave compensation of single-beam echosounders such as the Simrad EA500 installed on the Western Geophysical vessel. The benefits include optimum perfor- mance of swathe bathymetry and acoustic positioning systems, ves- sel position and velocity, as well as accurate heading data for gyro cal- ibration and seismic survey. The Seapath 400 system will be installed onboard Western Geophysical's Western Monarch. USCG Awards TSI Five-Year Contract Turbine Specialties, Inc. (TSI) o Salina, Kan., has been awarded five-year contract for a large bor turbocharger overhaul by the U.S Coast Guard (USCG) Suppl Center in Curtis Bay, Md. Unde the contract, TSI will overha ALCO 131, 165 and 720 tu bochargers for the main propulsio engines on USCG WMEC mediu endurance cutters, and on WAG Polar Star and Polar Sea icebrea ers. Turbine Specialists, Inc. is a overhauler of large bore turbo and has another facility in Harve La. The company is owned Elliott Turbomachine Corporation and manufactures t Elliott and Delaval line of t bochargers and parts. TSI al overhauls Cooper, ElectroMoti Diesel, ALCO, MAN and ABB t bos. Quantic Engineering a Logistics Corporation of Pana City Beach, Fla., is the governm sales representative for Tub Specialists, Inc. and negotiated contract on its behalf. For more information Circle 63 on Reader Service Card 68 Maritime Reporter/Engineering N
