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MR. BROCK

Built in 1979, by Flagship Fabricators Incorporated of Lafitte, Louisiana (hull #3) as the Nessa Jay for the Jay J. Barrois Boat Rentals Company of Buras, Louisiana.

In 2002, the tug was acquired by Double Eagle Marine Incorporated of New Iberia, Louisiana. Where she was renamed as the Mr. Brock.

In 2010, the the tug was acquired by Crosby Marine Transportation of Golden Meadow, Louisiana. Where she was renamed as the Miss Erin.

In 2012, she was acquired by J. Sercovich Incorporated of Belle Chasse, Louisiana. Where the tug retained her name.

Powered by two, GM 12V-71 diesel engines. Turning two, stainless steel, fixed pitch propellers. She is a twin screw tug, rated at 900 horsepower.

Her electrical service is provided by two, 30kW generator sets. The tug's capacities are 10,000 gallons of fuel oil, and 10,000 gallons of potable water.


  • Vessel Name: MR. BROCK
  • USCG Doc. No.: 616510
  • Vessel Service: TOWING VESSEL
  • Trade Indicator: Coastwise Unrestricted, Registry
  • Call Sign: WDA9575
  • Hull Material: STEEL
  • Hull Number: 3
  • Ship Builder: FLAGSHIP FABRICATORS INC
  • Year Built: 1979
  • Length: 55.7
  • Hailing Port: NEW ORLEANS, LA.
  • Hull Depth: 8.3
  • Hull Breadth: 22
  • Gross Tonnage: 87
  • Net Tonnage: 59
  • Previous Vessel Names:
    Nessa Jay, MR. BROCK, MISS ERIN
  • Previous Vessel Owners:
    Jay J. Barrois Boat Rentals Inc., DOUBLE EAGLE MARINE LLC, CROSBY MARINE TRANSPORTATION LLC, J SERCOVICH LLC