Page 44: of Maritime Reporter Magazine (July 15, 1983)

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Dates And Place Set For

Expoship North America

Expoship North America '84, a major inter- national maritime exhibition, will be held

March 19 to 23, 1984, at Pier 88 on Manhat- tan's west side, it was announced recently by exhibition officials.

The event is geared to attract shipowners, shippers, shipbuilders and repairers, marine equipment manufacturers, financial and bro- ker interests, and other senior representatives of marine related companies. A Seatrade money and ship conference will be held in con- junction with the exhibition.

For more information contact: Terry

Dougherty, Seatrade North America, 17 Bat- tery Place, New York, N.Y. 10004. Tel. (212) 422-6470. Telex 233629 SEA UR.

Latest Magnavox Ship Earth Station

Features Small Antenna

Continuing the trend towards reduced size

INMARSAT ship earth station antennas,

Magnavox has introduced a 53-inch (1.4 me- ter) diameter antenna as part of their updated satcom ship earth station, the MX 211A. Com- pany spokesmen anticipate that the new an- tenna, which is approximately 33 percent smaller and lighter than the former model, will make the system more suitable for yachts and small commercial vessels with limited bridge space. The smaller antenna also results in a substantial savings in both freight and installation costs.

A unique gimbal axis rotation system has been incorporated in the new antenna design to increase the tracking rate to 9 degrees per

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Size Comparison of MX 211 and MX 211A Sat Com Antennas second and minimize communications link in- terruption during cable unwrap. The new unit also has an exclusive auto scan feature which automatically searches for and acquires the satellite signal, permitting terminal initiali- zation and telephone service with the touch of a single button. The MX 211A antenna is con- nected to the below decks electronics via a sin- gle flexible cable for added installation con- venience, and utilizes passive stabilization which was a Magnavox innovation.

The MX 211A meets all of the INMARSAT

Standard A ship earth station performance re- quirements, including those for proposed new services.

For complete literature on the new antenna as well as the new MX 211A sat/com system,

Write 11 on Reader Service Card.

Marco To Build 75-Foot Tug For

Hawaiian Island Service 1

Profile of the tug Naupaka.

Marco of Seattle, Wash., primarily known as a builder of fishing boats, has signed a con- tract for the construction of a 75-foot twin- screw tugboat. The Shipyard Division has re- cently increased its emphasis in the workboat fields as evidenced by its installation of an 1,800-ton-capacity floating drydock and a ma- jor increase in tugboat repair work in the yard.

The new all-steel vessel, to be known as the

Naupaka, will be built for Mid Pacific Towing,

Limited, of Honolulu, Hawaii. The tug's pri- mary use will be for interisland towing for the petroleum industry, but she will also perform ship-assist work and offshore mooring equip- ment servicing.

The vessel design is by Marco's Naval Ar- chitecture Division, headed by Bruce O.

Whittemore, and is a refinement of previ- ously built Marco tugs. She will have a beam of 26 feet 6 inches (8 meters), a molded depth of 12 feet 6 inches (3.8 meters), and a draft of 10 feet (3 meters). The vessel's two Caterpillar 398TA diesel main engines will provide a to- tal of 1,500 hp driving a pair of 84-inch, 4- blade, stainless propellers. A Markey TYS-24 single-drum hydraulic towing winch will be installed.

Galley, mess, and berthing facilities will be provided for a crew of seven. The vessel will be completed in early October of this year, and the owners plan to put her into service in

Hawaii before the first of November.

Maritime Reporter/Engineering News