New Zapata Tug Tows Crewboat To West Africa

A 7,500-mile tow from the Gulf of Mexico to West Africa marked the maiden voyage of Zapata Marine Service's new 82-foot steel mooring tug recently delivered by Halter Marine, Inc., New Orleans, La.

The tug Mooring Service is now operating in West Africa, after her 53-day tow of the new 65-foot crewboat Express Service. The crewboat was also built by Halter Marine for Zapata.

The Mooring Service is powered by two GM-Detroit Diesel 16V92N engines each developing 600 bhp at 1,800 rpm. The twin fourbladed propellers are mounted on s t a i n l e s s - s t e e l shafts and turn through Twin Disc MG-527 reverse/ reduction gears with a 5:1 ratio. The 22-foot-wide and 10- foot-deep tug has a bollard pull of 8 tons.

The vessel was designed with a collapsible mast to facilitate line handling while mooring large ships. Mounted on the deck are two 8,000-pound line pull, hydraulic vertical capstans by Skipper.

The Mooring Service has a fuel oil capacity of 17,000 gallons and a potable water capacity of 3,200 gallons. Electrical service is provided by two GM-Detroit Diesel 3-71 30-kw generator sets. Wheelhouse electronics include a Decca 110 36-mile radar, a SBA-301 SSB radio, Intech V-110 VHF radio, and Raytheon R-2460W depth indicator.

The tug is ABS classed Maltese Cross, A-l, Full Ocean Service.

She was built by Halter's Chickasaw, Ala., division.

Other stories from August 1980 issue


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