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OCEAN RELIANCE
Photo by: Phil Gilston

Built in 2002, by the Marinette Marine Corporation of Marinette, Wisconsin (hull #801) as the Ocean Relaince for Crowley Marine Services Incorporated of San Francisco, California.

She was the third Reliance/550 class Articulated Tug and Barge (ATB) constructed for Crowley Marine Services Incorporated.

Powered by two, Caterpillar 3612B DITA, electronically controlled, diesel engines. With Reintjes GMBH WAV4450 reduction gears. Turning two, 12(ft) diameter, controllable pitch propellers. She is a twin screw tug, rated 9,280 horsepower.

Her electrical service is provided by two, 190kW Leroy Somer ARCB 446, generator sets. And, one auxiliary 190kW Leroy Somer ARCB 446, generator set. The tug's capacities are 142,389 gallons of fuel, 250 gallons of hydraulic oil, 3,170 gallons of lube oil, 94,837 gallons of ballast, and 13,208 gallons of water.

Fitted with an INTERcon coupler system, with 50(in) diameter pins. The tug is "married" with the 481(ft), by 40(ft), by 78(ft), 180,000(bbl) barge, the 550-3. Which was constructed simultaneously in 2002, by the Bay Shipbuilding Corporation of Marinette, Wisconsin (hull #749) for Crowley Marine Services Incorporated.


  • Vessel Name: OCEAN RELIANCE
  • USCG Doc. No.: 1132462
  • Vessel Service: TOWING VESSEL
  • IMO Number: 9275438
  • Trade Indicator: Coastwise Unrestricted, Registry
  • Call Sign: WADY
  • Hull Material: STEEL
  • Hull Number: 801
  • Ship Builder: MARINETTE MARINE CORP
  • Year Built: 2002
  • Length: 121.9
  • Hailing Port: SAN FRANCISCO, CA.
  • Hull Depth: 21.8
  • Hull Breadth: 42
  • Gross Tonnage: 265
  • Net Tonnage: 180
  • Owner:
    VESSEL MANAGEMENT SERVICES INC
    9487 REGENCY SQUARE BLVD
    JACKSONVILLE, FL 32225-8126
  • Previous Vessel Owners:
    VESSEL MANAGEMENT SERVICES INC