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OCEAN PATHFINDER
Photo by: Captain Rick Wilson

Built in 1970, by McDermott Shipyard Incorporated of Morgan City, Louisiana (hull #160) as the Pathfinder for Crowley Marine Services Incorporated of San Francisco, California

She was the third Sea Swift class tug constructed by McDermott Shipyards for Crowley Marine Services Incorporated.

Designed by Naval Architect Phil Spaulding, the Sea Swift class was the first class of tugs constructed for Crowley Marine Services that were of a twin engine, and twin screw configuration. As well as a pilot house controlled engine room.

In 2012, while in drydock the tug suffered extensive damage, when the drydock sank. The tug was salvaged.

In 2012, the tug was acquired by the Stabberts Maritime Company of Seattle, Washington. Where the tug was renamed as the Ocean Pathfinder.

In 2013, she went on long term charter to the Foss Maritime Company of Seattle, Washington. Where she retained her name. The tug operates under the company's subsidy, the Young Brothers Company of Honolulu, Hawaii.

In 2017, the tug was acquired by Island Tug and Barge Company of Seattle, Washington. Where she was renamed as the Island Explorer.

Powered by two, sixteen cylinder, EMD 16-645-E-7 diesel engines. Turning two, cast steel, fixed pitch propellers. Turning two, cast steel, fixed pitch propellers. She was a twin screw tug, rated at 5,750 horsepower.

Her electrical service was provided by two, 90kW generator sets. The tug's capacities were 165,000 gallons of fuel.

The towing equipment consisted of a Markey TDSD-36, double-drum, towing winch. Outfitted with 2,200(ft) of 2.25(in) towing wire.


  • Vessel Name: OCEAN PATHFINDER
  • USCG Doc. No.: 5246160
  • Vessel Service: TOWING VESSEL
  • IMO Number: 70289960
  • Trade Indicator: Coastwise Unrestricted, Registry
  • Call Sign: WBN8467
  • Hull Material: STEEL
  • Hull Number: 160
  • Ship Builder: MCDERMOTT SHIPYARD
  • Year Built: 1970
  • Length: 136.2
  • Hailing Port: SEATTLE, WA.
  • Hull Depth: 10.8
  • Hull Breadth: 36.5
  • Gross Tonnage: 194
  • Net Tonnage: 132
  • Owner:
    ISLAND TUG AND BARGE CO
    3546 W MARGINAL WAY SW
    SEATTLE, WA 98106
  • Previous Vessel Names:
    PATHFINDER, PATHFINDER, OCEAN PATHFINDER
  • Previous Vessel Owners:
    CROWLEY MARINE SERVICES INC, CROWLEY MARINE SERVICES INC, EPC HOLDINGS 800 LLC, OCEAN PATHFINDER HOLDING LLC, OCEAN PATHFINDER HOLDING LLC, OCEAN PATHFINDER HOLDING LLC, OCEAN PATHFINDER HOLDING LLC, OCEAN PATHFINDER HOLDING LLC