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Pictured as: the Kathy Lynn (Ryba Marine Construction) Photo by: Jeff Thoreson

Built in 19444, by the Decatur Iron and Steel Company of Decatur, Alabama (hull #ST693) as the ST-693 for the United States Army.

The tug was later transferred to the U.S. Army Corps of Engineers. Where she was renamed as the Wilmington.

In 1979, she as acquired by the Stevens Towing Company of Charleston, South Carolina. Where the tug was renamed as the Sea Islander.

In 1979, the tug was acquired by the Ryba Marine Construction Company of Cheboygan, Michigan. Where she was renamed as the Kathy Lynn.

Originally powered by a single, six cylinder, Busch-Sulzer 6DFMT-17 diesel engine rated at 650 horsepower. The tug was repowered in 1991, with a single, sixteen cylinder, Cummins KTA3067M diesel engine rated 1,250 horsepower. And in 2006, she was repowered with a single Cummins KTA50C diesel engine rated at 1,600 horsepower.

  • Vessel Name: SEA ISLANDER (1944)
  • USCG Doc. No.: 615231
  • Vessel Service: TOWING VESSEL
  • Trade Indicator: Coastwise Unrestricted, Limited Registry - No Foreign Voyage by Sea
  • Call Sign: WAS4159
  • Hull Material: STEEL
  • Hull Number: ST693
  • Ship Builder: Decatur Iron & Steel Co.
  • Year Built: 1944
  • Length: 80.2
  • Hailing Port: CHEBOYGAN, MI.
  • Hull Depth: 9.1
  • Hull Breadth: 23.2
  • Gross Tonnage: 140
  • Net Tonnage: 95
  • Previous Vessel Names:
    ST-693, Wilmington, Sea Islander, KATHY LYNN
  • Previous Vessel Owners:
    United States Army, US Army Corps of Engineers, Stevens Towing Co.