Home Search Links About Us Updates Login
GROTON
Photo by: Jim Borchert

Built in 1941, by Liberty Dry Dock of Brooklyn, New York (hull #38) as the Edward Card for the Card Towing Company of Norfolk, Virginia.

In 1946, the tug was acquired by the McAllister Brothers Towing Company of New York, New York. Where she was renamed as the Peter B. McAllister.

In 1965, the tug was acquired by Thames River and New London Harbor Towing Company of New London, Connecticut. Where she was renamed as the Groton.

In 1976, she was sold. Where she was renamed as the Bertha M.

In 1995, the tug was acquired by the Richards Marine Service of Charleston, South Carolina. Where she was renamed as the Dianne Richards.

In 2004, she went out of documentation. Her current, and or, final disposition is unknown. She was a single screw tug, rated at 800 horsepower.


  • Vessel Name: GROTON
  • USCG Doc. No.: 240365
  • Vessel Service: TOWING VESSEL
  • Trade Indicator: Coastwise Unrestricted
  • Hull Material: STEEL
  • Hull Number: 38
  • Ship Builder: LIBERTY DRYDOCK
  • Year Built: 1941
  • Length: 80
  • Hailing Port: CHARLESTON, SC.
  • Hull Depth: 9.9
  • Hull Breadth: 22.4
  • Gross Tonnage: 132
  • Net Tonnage: 89
  • Previous Vessel Names:
    Edward Card, Peter B. McAllister, Groton, Bertha M., Dianne Richards
  • Previous Vessel Owners:
    Card Towing Co., McAllister Bros. Towing Co., Thames River and New London Harbor Towing Co., RICHARDS MARINE SERVICES CORP