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Eastern Shipbuilding's M/V Stillwater River Stillwater River is the first advanced high-speed crew boat using the SWATH (small water plane area twin hull) technology. The all-aluminum vessel was designed specifically as a crewboat for operation in the Campos Basin offshore Brazil with a capacity for 250 passengers. Owned by TRICO Marine Services, Stillwater River is 120 ft. in length, and operates at a loaded draft between 11 and 12 ft. It is particularly suited for high-speed transportation of offshore rig per- sonnel to and from platforms in the rough waters of Campos Basin. The SWATH design produces slower motions, less likely to cause passenger discomfort due to the fact that the portion of the hull that gives displacement, rides below the surface of the ocean. During sea trials, the vessel reached a trial speed of 31 knots. Power is provided via a pair of Allison 501 KFS gas turbines, which produce 9,600 total hp. Reduction is provided through a pair of custom-built Philadelphia Gear Model HP-25 gearboxes with 28:1 ratios, that also furnishes power for an assortment of other Jeffboat's Santa Elena Jefiboal lu tened Santa Elena. Designed to carry a crew of 16 for shallow draft operations, the vessel was built by Jeffboat for American Commercial Line's South American operations. The vessel may operate on the Ohio and Mississippi Rivers for sonic period of time before being shipped to South America. Power is provii d to Haley reduction gears and 100-in. live bladed propellers in custom fab- ricated Kort Nozzles. The boat has two 150-kW generators driven by Detroit Diesel 8V-71. engines. Fuel capacity is 70,000 gal. Water capac- ity is 18,000 gal. The boat has a design draft of 8.25 ft. and the maximum height is 42.5 ft. above the water-lino. Outfitting includes Kuruno radars and fathometer, Zeeland swingmeter and autopilot. Xabrico winches, and a Scholellhom Albrecht capstan. Circle 73 on Reader Service Card ships systems, including controls and shaft lubrication systems. Circle 72 on Reader Service Card Vessel Specifications Shipbuilder: Eastern Shipbuilding GroupOwner/Operator: ... .TRICO Marine Services Flag: U.S. Classification: ABS Length, o.a.: 119.5 ft. (36.4 m) Breadth, molded: 43.7 ft. (13.3 m) Gross Tonnage: ITC Gross 537 Lightweight: 219 It Draft (design): 9.8 ft. (2.9 m) Speed, Service: Design Speed 28 knots Complement: Crew 5, Passengers 250 Water Ballast: 26,500 gal. Main Engines: Allison 501 KF5 Total hp: 11,600 Propellers: LIPS Controllable Pitch Propellers Thrusters: 200 hp Holland Propeller Generator Engines: (2) Cummins Thruster Engines: .. .200 hp Electric Motors Baldor Generators: Stamford 315 kW Motor Starters: Square D Fin Stabilizers: Maritime Dynamics, Inc. Couplings: SKF Reduction Gears: Philadelphia Gears Engine Controls: LIPS Steering Controls: .LIPS/Hydraulic System by Huber Deck Machinery: McElroy Anchor Winch Shafting: LIPS Bearings: Thordon Coatings: International VHF Radio: Sea Model 7156 SSB Radio: Sea Model 330 Radar: Simrad ARPA Interface Compass: Gyro Compass - Sperry SR 180 GPS: Trimble NT 2000D Autopilot: LIPS SATNAV: INMARSAT by Boatracs Liferafts: Marine Safety Systems With No Moving Parts! This technology was designed specifically for shipboard use to last the life of the hull. • Constructed of teflon and stainless steel • Self-test meets requirements for closed tank gauging. • Intrinsically safe. • ABS and USCG approved. • Self-cleaning. • Can be replaced on-deck with no tools in less than a minute without venting to atmosphere. • Multiple display options. • Embedded pump control capability. • Mates to a standard four inch butterworth flange s ELECTRONIC MARINE SYSTEMS INC 900 Ferndale Place .y NJ 07065 Call today for more information! 732.382.4344 732.388.5111 fax emsmarcon@aol.com e-mail http://www.emsmarcon.com January, 1999 Circle 287 on Reader Service Card 43