The Ocean Class tug is a modern ocean towing twin-screw vessel with controllable pitch propellers (CPP) in nozzles, high lift rudders, over 147 MT bollard pull, FiFi-1 and certified DP-1. Towing configuration has 3,000 feet of 2 1/2" cable and 4,200 feet of 2 3/4" cable with 317.5 MT of holding power. Tow wires are handled on deck with Triplex 350 MT shark jaws and 200 MT guide pins. The vessel has been designed to help safeguard the environment, with all tanks containing oil and oil traces placed inboard of the sideshell, creating a double hull to eliminate any petroleum discharges to the water. Additionally, the vessel has been designed for zero discharge of any machinery cooling water, gray or black water.
Vessel Design Portfolio
Crowley Christens New Ocean Class, DP2 Tugboat, Ocean Sun, in Louisiana
Crowley Tug Participates in Blackout Test with Ultra-Deepwater, Semisubmersible Noble Jim Day Rig in U.S. Gulf of Mexico
Crowley Heavy Deck Strength Barge Helps Launch U.S. Navy’s Newest Littoral Combat Ship, USS Montgomery
Crowley Opens Full-Service Project Management and Logistics Solutions Office in Singapore
Crowley Christens New Ocean Class, Dynamic Positioning 2 (DP2) Tugboat in Houston – Ocean Sky