Hy-Line Cruises, a division of Hyannis Harbor Tours, Inc., Hyannis, Mass., has taken delivery of Grey Lady IV, a new 493-passenger, high-speed catamaran from Gladding-Hearn Shipbuilding, the Duclos Corporation. The fourth Incat-Crowther fast ferry built by the Mass.-based shipyard for the Cape Cod passenger ferry company is larger and more stylish in design than previous vessels. The new ferry will provide year-round passenger service between Hyannis and Nantucket Island.
The new, all-aluminum ferry measures 153.5 feet (46.8 m) long, 34.5 feet (10.5 m) at the beam, and draws approximately 8 feet (2.5 m), loaded. The vessel is powered by four Cummins QSK60-M, EPA Tier 3 diesel engines, each delivering 2200 Bhp at 1800 rpm. Each engine is propelled by a Hamilton HM721 water jet through a Twin Disc MG61500SC horizontally-offset gearbox. The ferry’s top speed is over 34 knots when fully loaded at a dead-weight of more than 64 metric tons, including 6.4 metric tons of luggage, said Peter Duclos, president of the shipyard. In the event of a failure of one of the propulsion systems, the boat will still keep the schedule, but will require full power from the remaining three engines. “This kind of margin and redundancy is just prudent business for a ferry that will operate close to 5,000 hours per year,” said Duclos. Each hull is equipped with a 125 kW Cummins QSB7-D (M), EPS Tier 3 generator.
Similar to Hy-Line’s current high-speed catamarans, the new ferry is outfitted with a Naiad Dynamics trim-tab, ride-control system to improve passenger comfort and safety. The system’s motion sensor measures the relative movement of the vessel and transmits an electrical signal to the appropriate hydraulic device to counter the boat’s action through the waves, Duclos explained. “By keeping the unwanted motion and steering to a minimum, the system can also minimize the speed loss in rough seas.”
The main cabin seats 160 passengers and includes a full service concession, heating and air conditioning, two heads, and a large luggage room aft. An etched-glass screen separates the passenger seating area from the concession and condiment counters. The second deck, with interior seating for 154 passengers, features heating and air conditioning, premium seating forward, three heads, interior and exterior cocktail bars, and exterior seating for 46 passengers. The premium seating area for 32 is separated from the main passenger area by a half-height bulkhead with glass screens. The third deck, with the pilothouse forward, provides exterior seating for 137 passengers.
Access to the wheelhouse, which is equipped with centerline and port and starboard engine and waterjet controls, is from exterior doors in the aft bulkhead.
Vessel data and specifications information
Vessel Type: High-speed passenger ferry
Hull Type: Catamaran
Owner: Hyannis Harbor Tours, Inc.
Builder: Gladding-Hearn Shipbuilding, Duclos Corporation
Architect: Incat Crowther
Name: Grey Lady IV
Length: 153.5 feet
Beam: 34.5 feet
Depth 12.8 feet
Draft: 8 feet
Keel laid: May 13, 2015
Launched: July 6, 2016
Delivered: August 31, 2016
Passenger capacities: 493
Coast Guard certification: Subchapter K
Main engines : (4) Cummins QSK60-M, EPA Tier 3 diesel engines, each delivering 2200 Bhp at 1800 rpm
Engine supplier: Cummins North East, Dedham, MA
Gears: (4) Twin Disc MG61500SC horizontally-offset gearboxes
Water jets: (4) Hamilton HM721 water jets
Engine controls: Three stations: centerline helm and port & starboard wing stations
Gensets : (2) 125kW/each Cummins QSB1-D (M) EPA Tier 3 compliant
Steering system: Hamilton hydraulic power unit for each of four water jets
Hydraulic Ride Control System: NAIAD MDI trim tabs
Supplier: Bardwell Electronics
Installer: Gladding-Hearn Shipbuilding
Radar: (2) Furuno MFDBB Navnet 3D radar/plotter
VHF & SSB: (2) Standard Marine GX5500 radios
GPS & Plotter: (1) Furuno GP320 BBW GPS/WAAS sensor
Depth sounder: (1) Furuno DFF1
Compass: (1) Furuno SC50 satellite compass
Loud hailer/siren: (2) Raytheon 430
Video system: (12) high-definition LED TV monitors,
DVD Player & KVH TracVision HD7; (16) camera closed-circuit color TV system with DVR with 19” AWM-1910 (also used for FLIR) in the wheelhouse
Galley: Fully-equipped concession in main cabin and two cocktail bars (interior & exterior) on second deck
Sewage system: (5) HeadHunter Royal Flush commercial marine toilets, (1) head is wheelchair accessible
Other systems of importance: 360,000 Btu HVAC system
Fuel: 4000 U.S. gal Fresh water: 660 U.S. gal.
Sewage holding: 660 U.S. gal
Crew size: Captain, plus 7 crew
Speed (loaded): 34 knots with 64.75 metric tons of dead-weight