Halter Marine Completes Four-Boat Contract For Zapata Marine

Halter Marine Inc., New Orleans, La., has completed a fourboat contract with Zapata Marine Service, Inc., with the delivery of the Trafalgar Service.

The new boat, like her sister ships, Falcon Service, Sable Service, and Palmar Service, is 185 feet in length, with a 40-foot beam, and 14-foot depth. She is powered by two EMD-16-645C diesel engines developing 3,900 hp at 900 rpm. They drive two Columbian Bronze 90-inch by 65-inch stainless- steel propellers through Reintjes WGV 481 reverse/reduction gears with a ratio of 3.0:1.

Engine controls are by Wabco.

She can carry 650 long tons of cargo on her 3,400-square-foot aft deck and 4,000 cubic feet.of bulk mud in her Smatco tanks.

Some other capacities are: 100,000 gallons fuel oil; 1,800 gallons lube oil, 40,800 gallons fresh water; and 152,600 gallons ballast water.

The Sperry-Vickers hydraulic steering system was supplied by SSI and maneuverability is enhanced by a Schottel bow thruster driven by a Detroit Diesel 8V71 diesel engine.

Auxiliary power is supplied by two Detroit Diesel 8V71 diesel engines and two GM generators generating 150 kw. The generator control panel was supplied by Continental Electric Company. Two Quincy D325 air compressors provide compressed air for diesel engine starting, pneumatic control systems, air whistle, and general ship service.

Goulds pumps service bilge, ballast, and the on-ship fire-fighting system. The sanitary system was supplied by Meyers.

Some of the deck machinery includes a Smatco 66DAW towing winch, a McElroy MDW125B anchor windlass, two 2,000-pound Danforth type anchors, and 1,980 feet of 1'/4-inch anchor chain.

Communications and navigation equipment includes: two Decca RM9143 radar sets; a Sailor H1200 and Stephens single sideband; two Sailor RT144AC VHF's; a Si-Tex Koden ADF; Simrad depth sounder; Sperry 8T autopilot and gyrocompass; and a Ritchie 6-inch magnetic compass.

The Trafalgar Service is American Bureau of Shipping classed Al, Maltese Cross, full ocean towing, AMS, USCG NVC 1-78, and carries Suez Canal and Panama Canal admeasurement certificates.

She was built at Halter's Moss Point, Miss., division, one of six shipyards owned and operated by Halter Marine, Inc.

Other stories from November 1983 issue

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