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H. DOUGLAS M.
Pictured as: the H. Douglas M. (Bay Houston Towing) Photo by: Adriann Cyr

Built in 2015, by the Eastern Shipbuilding Group of Panama City, Florida as the H. Douglas M. (hull #236) for the Bay Houston Towing Company of Houston, Texas.

A Z-Tech 2400 series tractor tug. Designed by the Naval Architecture firm, Robert Allan Limited of Vancouver, British Columbia.

Along with the Suderman and Young Towing Company of Houston, Texas. The Bay Houston Towing Company is part of a combined operating company, the G and H Towing Company of Houston, Texas.

In 2011, the G and H Towing Company became part of a joint venture between the Moran Towing Corporation of New Canaan, Connecticut. Serving the Cameron LNG facility near Lake Charles, Louisiana.

Powered by two, Tier III compliant Caterpillar 3516C diesel engines. With Schottel SRP 1215 z-drives. Outfitted with two, 94.5(in) diameter propellers, for a rated 5,150 horsepower.

Her electrical service is provided by two, 99kW, 6.8 liter, John Deere 450-V generator sets. The tug's capacities are 37,000 gallons of fuel, and 6,200 gallons of water.

The towing equipment consists of a 50 horsepower, Markey DEPCF-48S electric hawser winch. Outfitted with 9(in) Saturn 12 Samson hawser.


  • Vessel Name: H. DOUGLAS M.
  • USCG Doc. No.: 1265978
  • Vessel Service: TOWING VESSEL
  • IMO Number: 9794161
  • Trade Indicator: Coastwise Unrestricted, Registry
  • Call Sign: WDI5400
  • Hull Material: STEEL
  • Hull Number: 236
  • Ship Builder: EASTERN SHIPBUILDING GROUP INC
  • Year Built: 2015
  • Length: 70.8
  • Hailing Port: HOUSTON, TX.
  • Hull Depth: 14.9
  • Hull Breadth: 38.3
  • Gross Tonnage: 197
  • Net Tonnage: 49
  • Previous Vessel Owners:
    BAY-HOUSTON TOWING CO