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DORIS HAMLIN
Photo by: C. Naigle

Built in 1980, by the Dravo Steel Ship Corporation of Pine Bluff, Arkansas (hull #164) as the Julie White.

The tug was later acquired by the Matador Service Company of Baytown, Texas. Where she was renamed as the Matador XVIII.

In 1997, the tug was acquired by the St. Laurent Paper Products Company of West Point, Virginia. Where the tug was renamed as the Capt. Grady

In 1998, she was acquired by the Vane Brothers Company of Baltimore, Maryland. Where the tug was renamed as the Doris Hamlin.

In 2009, the tug acquired by Porteadores Del Noroeste of Porteadores, Mexico. Where she was renamed as the Ponosa VII.

Powered by two, Caterpillar diesel engines with turbo chargers. She was a twin screw, square bow, push boat rated at 1,800 horsepower.
(Henry Ward)


  • Vessel Name: DORIS HAMLIN
  • USCG Doc. No.: 626257
  • Vessel Service: TOWING VESSEL
  • IMO Number: 8987072
  • Trade Indicator: Coastwise Unrestricted, Registry
  • Call Sign: WDD9653
  • Hull Material: STEEL
  • Hull Number: 164
  • Ship Builder: DRAVO STEELSHIP CORP
  • Year Built: 1980
  • Length: 74.5
  • Hailing Port: PORTEADORES, MEXICO
  • Hull Depth: 7.1
  • Hull Breadth: 38
  • Gross Tonnage: 251
  • Net Tonnage: 170
  • Owner:
    PORTEADORES DEL NOROESTE S.A. DE C.V.
    MEXICO
  • Previous Vessel Names:
    JULIE WHITE, MATADOR XVIII, CAPT. GRADY, DORIS HAMLIN
  • Previous Vessel Owners:
    Matador Service Co., St. Laurent Paper Products Corp., VANE LINE BUNKERING INC