Page 31: of Maritime Reporter Magazine (April 1972)

New Bern Shipyards Awarded

Contract To Build Trawlers

Western Ocean Resources, Inc., Marblehead,

Mass., has placed an order for two—with an option for two additional — 75-foot offshore lobster trawlers with New Bern Shipyards,

Inc., New Bern, N:C. The boats were designed by Coast Engineering Company, naval archi- tects, Norfolk, Va., Hull Design No. CE-2114.

The firm will also make inspections of con- struction for the owners.

The vessel is of all-steel construction, 75- feet overall length by 24-feet breadth and 12- feet 6-inch depth. The hull has a peak tank forward, storeroom, engine room, hold, bait and storage rooms and lazaret. The quarters are located in the enclosed forecastle, with the pilothouse on the forecastle deck. The afterdeok is arranged to present a clear large working area, with openings in the waist on the stanboard side and in the stern to facilitate handling lobster traps. All deck machinery is hydraulic, operated from an enclosed jogging station located on the after starboard corner of the forecastle. The main engine is a Cater- pillar D-343 335-horsepower diesel with a 6:1

Twin-Disc reverse/reduction gear. The gen- erator is a "Lima" 30 kw 250 VAC driven by a Lister diesel engine. • The lobster hold is insulated and refrigerated by Therm-Air Manufacturing Company equip- ment. The bait room is refrigerated by Dun- ham-Bush equipment.

The vessels have hydraulic steering systems and davits designed by Coast Engineering

Company and built by the shipyard. The pow- er block and winch were manufactured by

Hydro Slave, Inc. The trawlers are equipped with the latest Kelvin Hughes radar and loran,

Konel Fathometers and scanners, and RF

Communications radiotelephone. The fuel tanks will carry 5,000 gallons of fuel for long endurance operations.

ONE OF TWENTY-FIVE: Hitting the waters of the Ohio

River at Dravo Corporation's boat yard near Pittsburgh,

Pa., is a 200-by-35-foot barge that will carry grain and other dry bulk commodities on the Mississippi River Sys- tem. It is one of 25 such Dravo-built barges put into service during the past year by the Peavey Company of

Minneapolis, Minn., through its barge operation at Alton,

III. All of the semi-integrated hopper barges have weather-tight lift-off covers to protect perishable cargo.

With lift-off covers, more than 75 percent of each barge's cargo box can be exposed for simplified loading and unloading.

MA Contracts To Develop

Laser Navigation System

For Great Lakes Operation

Development of a unique laser navigation system to facilitate winter operations on the

Great Lakes is the subject of a joint industry-

Government program announced by the Mari- time Administration.

According to Assistant Secretary of Com- merce for Maritime Affairs A.E. Gibson, who heads the agency, the new ship-positioning system would fill the gap left during the winter months when ordinary floating aids to naviga- tion, such as buoys, must be removed from the Great Lakes' narrow rivers and channels because of possible ice damage.

A contract for the development of the laser and associated equipment was awarded to As- sociated Controls and Communications of

Lynn, Mass. Based on a method developed for docking mammoth supertanks, the pro- posed navigation system will involve the in- stallation of a laser—a small, compact unit which emits a narrow, intense beam of invis- ible light energy — on each ship using the

Lakes during the winter and the placement of small reflectors at strategic points along the shoreline. A small computer aboard the ships will convert the time interval between the signals and their return to an automatic display showing the ship's distance to the re- flector and its speed of advance.

The laser pilot program is part of the 'Mari- time Administration's contribution to the three-year multi-agency Federal project now under way to lengthen the Great Lakes navi- gation season, this being coordinated by the

U.S. Army Corps of Engineers. The MarAd contract calls for Associated Controls to de- velop the laser and associated equipment and install them aboard one of the vessels in the

United States Steel Corp.'s Great Lakes fleet for testing during the 1972 navigation season,

Mr. Gibson stated. _ P® • V mam a POWERFUL

ANSWER... to any towing

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MATT0N

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MATTON

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TURECAMO TANKERS

Designed by Coast Engineering Company, the new trawl- ers have a large afterdeck working area.

April 1, 1972 41