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DENALI
Photo by: Birk Thomas

Built in 2010, by Main Iron Works of Houma, Louisiana (hull #427) as the Anna G. for the Belle Pass Towing Company of Golden Meadow, Louisiana.

In 2013, the Belle Pass Towing Company was acquired by the Crosby Marine Transportation Company of Golden Meadow, Louisiana. Where the tug was renamed as the Crosby Skipper.

In 2016, the tug was acquired by the Kirby Corporation of Channelview, Texas. Where she was renamed as the Denali.

In 2016, the Kirby Corporation outfitted the tug with a JAK-400 coupler system, removed her towing equipment. As well as fitting the tug with an upper wheelhouse.

Powered by two, Caterpillar 3516C-HD diesel engines. With Hayley reduction gears, at a ratio of 7.8:1. Turning two, 108(in) by 108(in), four bladed, stainless steel, fixed pitch, propellers, mounted in kort nozzles. For a rated 5,000 horsepower.

Her electrical service is provided by two, 99kW John Deere generator sets. The tug's capacities are 100,000 gallons of fuel, 12,000 gallons of water, and 2,000 gallons of lube oil.

The towing gear consisted of an INTERcon, double drum, towing winch. Outfitted with 2,600(ft) of 2.25(in) towing cable on the towing drum. And 2,000(ft) of 2(in) towing cable on the anchor drum.


  • Vessel Name: DENALI
  • USCG Doc. No.: 1226060
  • Vessel Service: TOWING VESSEL
  • IMO Number: 9592185
  • Trade Indicator: Coastwise Unrestricted
  • Call Sign: WDF4461
  • Hull Material: STEEL
  • Hull Number: 427
  • Ship Builder: MAIN IRON WORKS
  • Year Built: 2010
  • Length: 115.2
  • Hailing Port: NEW ORLEANS, LA.
  • Hull Depth: 15.5
  • Hull Breadth: 36
  • Gross Tonnage: 175
  • Net Tonnage: 119
  • Owner:
    KIRBY OFFSHORE MARINE PACIFIC LLC
    55 WAUGH DRIVE SUITE 1000
    HOUSTON, TX 77007
  • Previous Vessel Names:
    ANNA G., ANNA G., CROSBY SKIPPER, CROSBY SKIPPER, CROSBY SKIPPER, CROSBY SKIPPER
  • Previous Vessel Owners:
    BELLE PASS TOWING CORP, BELLE PASS TOWING CORP, CROSBY MARINE TRANSPORTATION LLC, CROSBY MARINE TRANSPORTATION LLC., CROSBY MARINE TRANSPORTATION LLC, CROSBY MARINE TRANSPORTATION LLC, KIRBY OFFSHORE MARINE PACIFIC LLC, KIRBY OFFSHORE MARINE PACIFIC LLC