Master Marine Delivers Towboat to Plimsoll Marine

Maritime Activity Reports, Inc.

September 10, 2020

Iron Lady (Photo: Plimsoll Marine)

Iron Lady (Photo: Plimsoll Marine)

Master Marine, Inc. (MMI) has delivered the 67- by 28-foot Iron Lady, the first of four new push boats it is building for Lower Mississippi River operator Plimsoll Marine.

The four vessels are designed by Entech Designs, LLC. and are fully compliant with all U.S. Coast Guard regulatory requirements.

Towboat Iron Lady is powered by two Laborde Products, Inc. Mitsubishi 803 HP Tier III diesel marine engines operating at 1,400 RPM and coupled to Twin Disc 5321 gears. Laborde Products also supplied electrical power with two Northern Lights 65KW Tier III electronic controlled generators with RW Fernstrum, Inc. keel coolers throughout.

A pair of Sound Propeller Services, Inc. 70” x 48” x 7” four-blade stainless steel propellers provide thrust through two J & S Machine Works, Inc. 7” ABS Grade two propeller shafts with all Thordon Bearings, Thorplas bushings and shaft seals. RIO Controls and Hydraulic, Inc. supplied the steering system for the two 7” main and four 7” flanking rudders.

Gulf Coast Air & Hydraulics, Inc. provided a pair of Quincy reciprocating air compressors and ventilation fans. Schuyler Maritime, LLC supplied all 18” x 12” rubber fendering around the perimeter of the vessel and push knees.

R.S Price & Son provided a Carrier mini-split HVAC system in all interior spaces with Blakeney Marine providing all custom woodwork and interior finishes. Donavon Marine supplied the large Bomar aluminum windows and Dales Welding and Fabricators, LLC provided the aluminum exterior doors. Wintech International, LLC supplied a pair of 40-ton deck winches and New World, Inc. provided all electronics and communications, with an alarm system from Unlimited Control & Supply, Inc.

Each of the four towboats have the capacity for 10,400 gallons of fuel and 4,359 gallons of potable water, along with providing a maximum 7’-9” working draft. Each vessel is outfitted with three crew staterooms housing six crewmen, 1.5 baths and a full galley arrangement.

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