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JOCK CENAC (1981)
PIctured as: the Martin Navigator (Martin Midstream) Photo by: Captain Ted

Built in 1981, by Bayou Black Shipyard Incorporated of Gibson, Louisiana (hull #3) as the Bengal Stan for Bengal Marine Incorporated of Morgan City, Louisiana.

In 1988, the tug was acquired by the Cenac Towing Company Incorporated of Houma, Louisiana. Where she was renamed as the Jock Cenac.

In 2000, the Cenac Towing Company renamed the tug as the E.A. Cenac.

In 2003, she was acquired by Martin Midstream Partnership Incorporated of Vidor, Texas. Where the tug was renamed as the Martin Navigator.

Powered by two, Cummins KTA19-M3 diesel engines. With Twin Disc reduction gears, at a ratio of 5.17:1. She is a twin screw towboat, rated at 1,360 horsepower.


  • Vessel Name: JOCK CENAC (1981)
  • USCG Doc. No.: 632798
  • Vessel Service: TOWING VESSEL
  • Trade Indicator: Coastwise Unrestricted
  • Call Sign: WDB5626
  • Hull Material: STEEL
  • Hull Number: 3
  • Ship Builder: Bayou Black Shipyard Inc.
  • Year Built: 1981
  • Length: 57
  • Hailing Port: HOUSTON, TX.
  • Hull Depth: 8.6
  • Hull Breadth: 25.1
  • Gross Tonnage: 98
  • Net Tonnage: 67
  • Owner:
    MARTIN OPERATING PARTNERSHIP LP
    925 NORTH ROSE CITY DRIVE
    VIDOR, TX 77662
  • Previous Vessel Names:
    Bengal Stan, E.A. CENAC, JOCK CENAC
  • Previous Vessel Owners:
    Bengal Marine Inc., CENAC TOWING CO INC, MARTIN OPERATING PARTNERSHIP LP, MARTIN OPERATING PARTNERSHIP LP, MARTIN OPERATING PARTNERSHIP LP, MARTIN OPERATING PARTNERSHIP LP, MARTIN OPERATING PARTNERSHIP LP, MARTIN OPERATING PARTNERSHIP LP, MARTIN OPERATING PARTNERSHIP LP, MARTIN OPERATING PARTNERSHIP LP, MARTIN OPERATING PARTNERSHIP LP, MARTIN OPERATING PARTNERSHIP LP, MARTIN OPERATING PARTNERSHIP LP, MARTIN OPERATING PARTNERSHIP LP, MARTIN OPERATING PARTNERSHIP LP, MARTIN OPERATING PARTNERSHIP LP