St. Lawrence Pilots Order Gladding-Hearn Pilot Boat

Maritime Activity Reports, Inc.

October 31, 2018

Rendering of Gladding-Hearn pilot boat (CREDIT: Gladding-Hearn)

Rendering of Gladding-Hearn pilot boat (CREDIT: Gladding-Hearn)

The Seaway Pilots Inc. in Cape Vincent, NY has ordered a Chesapeake Class pilot boat from Gladding-Hearn Shipbuilding, Duclos Corporation. Delivery of the new 53-footer is scheduled for early 2020.


The Seaway pilots navigate ships in and out of the ports and harbors of the St. Lawrence Seaway between St. Regis, NY and Port Weller on Lake Ontario.

With a length overall of 53.6’, a beam of 17.8’, and a draft of 4.8’, the all-aluminum pilot boat features the Ray Hunt Design Deep V hull. It will be powered by twin Volvo Penta D16, EPA Tier 3-compliant diesel engines, each delivering 641Bhp at 1800 rpm and a top speed of 25 knots. A Humphree interceptor trim-tab control system, with Automatic Trim Optimization, will be installed at the transom. Diesel capacity is 800 gallons, which shipyard officials say, will provide a range of at least 300 miles at an economical speed of about 20 knots.

The engines will turn 5-blade NiBrAl propellers via ZF500-1-A gear boxes. The launch will be equipped with a 12kW Northern Lights EPA Tier 3-compliant genset.

The wheelhouse, flush-mounted to the deck amidships, features a center-line helm station, heated forward, side and roof windows, five Llebroc seats, a settee and is heated  by a 32,000 Btu air-conditioning system. The decks, handrails and cabin are heated by a 100,000 Btu diesel fire hydronic heating system, augmented by main engine waste heat.

Outside of the wheelhouse are wide side decks, side and rear doors, and boarding platforms on the roof. At the transom are throttle and steering controls, and a winch-operated, fixed davit over a recessed platform for rescue operations.

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