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TASMAN SEA
Photo by: Birk Thomas

Built in 1976, by Main Iron Works of Houma, Louisiana (hull #311) as the Ambassador for Interstate Oil Transportation of Philadelphia, Pennsylvania.

At the time, Interstate Oil Transportation maintained two fleets. Their Northeast Fleet or "Green Fleet" which operated in Philadelphia, Pennsylvania. And a Southern Fleet or "White fleet" that operated out of Tampa, Florida.

However in the years that followed many changes came to Interstate Oil, a company called Southern National Resources purchased (also known for a time as SONAT Marine). SONAT eventually sold out to Maritrans Operating Partners LLP.

In 1998, Maritrans's northeast fleet was thinned. Many of vessels were acquired by K-Sea Transportation of New York, Reinauer Transportation (also of New York) Vane Brothers of Baltimore, Maryland and other miscellaneous buyers.

The Ambassador was acquired by K-Sea Transportation where she was renamed the Tasman Sea.

She was later outfitted with a JAK coupler system. She is a twin screw tug rated at 3,900 horsepower, with a fuel capacity of 127,534 gallons.
In 2011, K-Sea Transportation was acquired by the Kirby Corporation of Channelview, Texas, where the tug retained her name.


  • Vessel Name: TASMAN SEA
  • USCG Doc. No.: 578207
  • Vessel Service: TOWING VESSEL
  • IMO Number: 7617151
  • Trade Indicator: Coastwise Unrestricted, Registry
  • Call Sign: WDB5559
  • Hull Material: STEEL
  • Hull Number: 311
  • Ship Builder: MAIN IRON WORKS, INC.
  • Year Built: 1976
  • Length: 114.5
  • Hailing Port: NEW YORK, NY
  • Hull Depth: 13.7
  • Hull Breadth: 34
  • Gross Tonnage: 94
  • Net Tonnage: 138
  • Owner:
    K-SEA OPERATING LLC
    1 TOWER CENTER BLVD. 17TH FL
    EAST BRUNSWICK, NJ 08816
  • Previous Vessel Names:
    Ambassador
  • Previous Vessel Owners:
    Interstate Oil Transport, SONAT, Maritrans Operating Partners, K-SEA TRANSPORTATION LLC, K-SEA OPERATING PARTNERSHIP L P