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JEFFERY K. McALLISTER (1963)
Photo by: Marc Piche

Built in 1963, by Mobile Ship Repair of Mobile, Alabama (hull #YTB 770) as the YTB-770 (Dahloega) for the United States Navy.

A Natick class district harbor tug. Her keel was laid down on November 4th, 1963. She was launched on March 23rd, 1964. And, delivered to the United States Navy on August 4th, 1964.

She was placed in service at 5th Naval District, at Norfolk, Virginia. The date she was placed out of service, is unknown. However, she was struck from the Naval Register on March 13th, 2001. And transferred to the Defense Reutilization and Marketing Service (DRMS) for sale or reuse.

In 2001, the tug was acquired by McAllister Towing and Transportation of New York, New York. Where she was renamed as the Jeffrey K. McAllister.

In 2015, she was acquired by the Great Lakes Towing Company of Cleveland, Ohio. Where the tug was renamed as the Ontario.

She is a single screw tug rated at 2,000 horsepower.
(NavSource Online, Birk Thomas)


  • Vessel Name: JEFFERY K. McALLISTER (1963)
  • USCG Doc. No.: 1116789
  • Vessel Service: TOWING VESSEL
  • IMO Number: 8980878
  • Trade Indicator: Coastwise Unrestricted, Registry
  • Hull Material: STEEL
  • Hull Number: YTB 770
  • Ship Builder: MOBILE SHIP REPAIR
  • Year Built: 1963
  • Length: 102.3
  • Hailing Port: WILMINGTON, DE.
  • Hull Depth: 16.3
  • Hull Breadth: 29
  • Gross Tonnage: 243
  • Net Tonnage: 72
  • Owner:
    THE GREAT LAKES TOWING COMPANY
    4500 DIVISION AVE
    CLEVELAND, OH 44102-2228
  • Previous Vessel Names:
    YTB 770 (Dahloega), Dahloega, JEFFERY K. McALLISTER
  • Previous Vessel Owners:
    UNITED STATES NAVY, Defense Reutilization and Marketing Service, GREENPOINT LIGHTERAGE LLC, GREENPOINT LIGHTERAGE LLC