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Friday, November 17, 2017

Eastern Shipbuilding Delivers Spirit River

August 31, 1999

TRICO Marine Operators, Inc., recently took delivery of 232 ft. Spirit River, constructed by Eastern Shipbuilding Group, of Panama City, Fla. Measuring 232 x 48 x 16 ft., Spirit River is equipped to offer a variety of services, and is distinguished by its shallow draft, which allows the vessel to operate out of all the Gulf of Mexico ports. Spirit River and soon-to-be-delivered sister ship, Hondo River were both built to the highest standards of USCG, and classed by ABS as Maltese Cross A1 E AMS. Each vessel has also been SOLAS certified for international voyages. Power is supplied by a pair of EMD 16-645E7 main engines, rated at 2,875 hp each, and coupled to Lufkin RHS 2500 HG gears with a 3.6:1 ratio. Electric power is generated via a pair of 145 kW Cummins NT 855-MG4 generator sets with a 60 kW Cummins 60DGCB emergency generator set. One 1,000 hp hydraulic powered combination retractable and transverse bowthruster was provided by Thrustmaster. While in the "up" position, this thruster operates as a standard tunnel thruster for shallow operations. Once lowered, it converts into a full 360-degree azimuthing thruster, capable of powering the vessel back to the dock, if necessary. When combined with the 750 hp Schottel tunnel stern thruster, these thrusters give Spirit River a high degree of maneuverability under all operating conditions. The propulsion and maneuvering equipment is all linked together to a Konesberg Simrad Dynamic Positioning System, equipped with joystick control giving the vessel the ability to hold a position within 16.4 ft.
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