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Built in 1952, by Roamer Marine Incorporated of Holland, Michigan (hull #C5840) as the LT-65 for the United States Army.

In 1965, the tug was transferred to the United States Navy. Where the tug was renamed as the LT-65 (Portsmouth Lady).

In 2022, she was acquired by the Seaway Marine Group LLC. of Clayton, New York. Where the was renamed as the Seaway Joan.

Powered by a single, Detriot Diesel 6-71 diesel engine. With Twin Disc M6001DC reduction gear at ratio of 4.5:1. She is a single screw tug, rated at 200 horsepower.

  • Vessel Name: SEAWAY JOAN
  • USCG Doc. No.: 1324097
  • Vessel Service: TOWING VESSEL
  • Trade Indicator: Coastwise Unrestricted, Recreational, Registry
  • Hull Material: STEEL
  • Hull Number: C5840
  • Ship Builder: Roamer Marine Incorporated
  • Year Built: 1952
  • Length: 45
  • Hailing Port: CLAYTON, NY.
  • Hull Depth: 7
  • Hull Breadth: 13
  • Gross Tonnage: 27
  • Net Tonnage: 21
  • Previous Vessel Names:
    LT-65, LT-65 (Portsmouth Lady)
  • Previous Vessel Owners:
    United States Navy