MV Grey Lady IVMV Grey Lady IV is a high-speed catamaran ferry operated by Hy-Line Cruises that runs on a route between Hyannis and Nantucket, Massachusetts. Hy-Line's request to regulator Woods Hole, Martha's Vineyard and Nantucket Steamship Authority to construct the ship that would become Grey Lady IV was approved in May 2014,[1] and the vessel was ordered from Gladding-Hearn Shipbuilding in February 2015.[2] Construction began on May 13, 2015,[3] with delivery planned for early June 2016.[4] However, delays during construction meant that she was not launched until July 6, and Hy-Line finally took delivery on August 31.[3] Grey Lady IV entered service on September 2.[4] Grey Lady IV was designed by Incat Crowther, and is 153.5 feet (46.8 m) long, with a beam of 34.5 feet (10.5 m) and a draft of 8 feet (2.4 m).[3] She has a passenger capacity of 493 on three decks.[3] She is powered by four Cummins diesel engines working through Twin Disc gears which drive quad HamiltonJet HM721 waterjets, which give her a top speed of 34 knots (39 mph) when loaded.[3] References
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