Eastern delivers fourth z-drive in series to McAllister

The following is text of a news release from Eastern Shipbuilding Group:

(PANAMA CITY, Fla.) — Eastern Shipbuilding Group delivered the escort z-drive tugboat Capt. Jim McAllister to McAllister Towing on Aug. 16. Jensen Maritime Consultants of Seattle, Wash., designed the 100-by-40-foot vessel to full ABS Class Maltese Cross standards. The vessel has been issued its U.S. Coast Guard Subchapter M certificate of inspection (COI).

This is Eastern’s second construction of a new Subchapter M qualified tugboat, with a COI under the new regulatory regime issued at delivery. Coast Guard Station Panama City conducted all inspections in Panama City, Fla. The American Bureau of Shipping served as the third-party organization certifying the vessel’s towing safety management system.

McAllister Towing’s new construction delivery team worked closely with Eastern’s delivery supervisors during the Subchapter M COI inspection. Capt. Jim McAllister’s vessel crew participated with the sea trials and performed the required vessel safety drills.

The tug features the following characteristics:

ESG Hull 223: Fourth and final vessel in the series

Dimensions (overall): 100' by 40' by 16’ 4”

Total horsepower: 6,772 hp

ABS bollard pull: 80-plus metric tons

Main engines: (2) Caterpillar 3516E 3,386 hp @ 1,800 rpm Tier 4 EPA certified marine diesel engines

Main propulsion: (2) Schottel SRP-510 z-drives fixed pitch

Reduction gears: (2) Lufkin MV1600S, with 2:1 reduction

Main generators: (3) Caterpillar C7.1 turbocharged, each rated at 118 kW @ 1,800 rpm

Firefighting: Caterpillar C9.3 Tier 3 EPA certified marine auxiliary diesel engine rated at 375 hp @ 1,800 rpm

Fire pump and monitors: FFS Model SEP150x200HD, 3,000 gpm; (2) FFS Model 300M monitors, 1,500 gpm each; IM/API-100 AFFF foam proportioner

Hawser winch: Markey Machinery Series DEPCF-52-75 single-drum hawser winch, bow mounted 

Towing winch: Markey Machinery Series DEPC-42-40 single-drum tow winch, stern mounted

Regulatory: USCG Subchapter M, ABS ✠ A1 Towing, Escort, ✠AMS, Ice Class “D0”, but without ABS notation, ABS Sub-M TPO, EPA Tier 4

Flag: United States

By Professional Mariner Staff