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ROBIN VII
Pictured as: the Sea Prince (Crowley Marine Services) Photo by: Mike Zelt

Built in 1974, by McDermott Shipyard of Morgan City, Louisiana (hull #189) as the Robin VII for the Robin International Towing Company of Harvey, Louisiana.

In 1984, the tug was acquired by Crowley Marine Services Incorporated of San Francisco, California. Where she was renamed as the Sea Prince.

She was the third Sea Robin class tug for Crowley Marine Services. The tug was originally constructed with a raised bow. However, it was cut down after she was acquired by Crowley Marine Services.

Powered by two, Caterpillar 3606-3 diesel engines. With Lufkin reduction gears, at a ratio of 3.972:1. Turning two, four bladed, stainless steel, fixed pitch propellers. For a rated 5,000 horsepower.

Her electrical service is provided by two, Detroit 6-71 generators. The tug's capacities are 75,000 gallons of fuel oil, 4,104 gallons of lube oil, and 11,000 gallons of potable water.

The towing gear consists of an INTERcon DD-225, double drum, towing winch. Outfitted with 2,000(ft) of 2.25(in) wire on both drums.


  • Vessel Name: ROBIN VII
  • USCG Doc. No.: 555271
  • Vessel Service: TOWING VESSEL
  • IMO Number: 7367160
  • Trade Indicator: Coastwise Unrestricted, Registry
  • Call Sign: WYT8569
  • Hull Material: STEEL
  • Hull Number: 189
  • Ship Builder: MCDERMOTT SHIPYARD
  • Year Built: 1974
  • Length: 118.7
  • Hailing Port: SAN FRANCISCO, CA.
  • Hull Depth: 14.6
  • Hull Breadth: 34
  • Gross Tonnage: 198
  • Net Tonnage: 134
  • Owner:
    CROWLEY MARINE SERVICES INC
    1102 SW MASSACHUSETTS ST
    SEATTLE, WA 98134
  • Previous Vessel Names:
    Robin VII
  • Previous Vessel Owners:
    Robin International Towing Co., CROWLEY MARINE SERVICES INC, CROWLEY MARINE SERVICES INC, CROWLEY MARINE SERVICES INC, CROWLEY MARINE SERVICES INC, CROWLEY MARINE SERVICES INC