Master Boat Builders delivers new ATB tug to Kirby

Master Boat Builders, Bayou La Batre, Ala., has delivered the new 109’x36’x18’3″ ATB tug Cape Ann to Kirby Offshore Marine, Houston.

Designed by Guarino & Cox, Covington, La., the Cape Ann, which has a steel hull and an aluminum tower, is powered by a pair of Tier 4 Caterpillar 3516E diesel engines, each producing 2,501 hp at 1,600 rpm. The Cats connect to 120″x78″, 5-bladed stainless steel Hung Shin wheels through Reintjes WAF 1173 marine gears with 7.429:1 reduction ratios. The propulsion package gives the new tug a running speed of 13 knots and a bollard pull of 48.19 metric tons. The tug has a 15′ draft,

Ship’s service power is the responsibility of three John Deere-powered 6068AFM85 gensets, sparking 150-kW of electrical power each. Rio Controls & Hydraulics provided the five-station propulsion controls and full follow-up steering system featuring two 40-hp hydraulic units and two 7″x4″ cylinders.

Capacities include 86,114 gals. of fuel; 9,550 gals. urea; and 8,174 gals. fresh water. Other features of the new tug are a Beacon Findland JAK-400PHL-L Hydralok barge coupling system, New World Electronics 2518277554 electronics suite, six staterooms with 10 berths, two Coastal Marine Equipment C14-3.5-61-131 35,000 lbs., 15-hp rated capstans, and an EMS PMS 9000 alarm and monitoring system with a tank level system.

Cape Ann is ABS classed Maltese Cross A-1, AMS, Towing Vessel, ABCU, UWILD, ABS Loadline, greater than 500 tons ITC and greater than 300 tons regulatory. The new tug is also built to USCG certified, Subchapter M standards.

About the author

Ken Hocke

Ken Hocke has been the senior editor of WorkBoat since 1999. He was the associate editor of WorkBoat from 1997 to 1999. Prior to that, he was the editor of the Daily Shipping Guide, a transportation daily in New Orleans. He has written for other publications including The Times-Picayune. He graduated from Louisiana State University with an arts and sciences degree, with a concentration in English, in 1978.

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