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JOHN P. WRONOWSKI
Photo by: Birk Thomas

Built in 2004, by Eastern Shipbuilding of Panama City, Florida (hull #836) as the John P. Wronowski for the Thames Towboat Company of New London, Connecticut.

The tug was designed by the Seattle based naval architect firm Jensen Maritime for the Thames Towboat Company. She was named for John P. Wronowski, the current President of the Thames Towboat Company.

Powered by a pair of V-16-cylinder Cummins KTA50-M2 diesel engines with with Schottel 1010 "z drives" fitted with ducted 2100 mm (82.67-inch) propellers rated for 3,400 horsepower.

Her electrical service is provided by a pair of Cummins powered 95 kW generator sets.

A Cummins N14M fire pump engine supply the tug's two 2,000 gallon per minute fire fighting monitors. Her hull is also fitted with underwater submarine fenders.

She is assigned to general ship assist duties along with the tug Paul A. Wronowski at the Submarine Base in Groton, Connecticut.


  • Vessel Name: JOHN P. WRONOWSKI
  • USCG Doc. No.: 1164161
  • Vessel Service: TOWING VESSEL
  • IMO Number: 9337432
  • Trade Indicator: Coastwise Unrestricted, Registry
  • Call Sign: KUS1164161
  • Hull Material: STEEL
  • Hull Number: 836
  • Ship Builder: EASTERN SHIPPING CO
  • Year Built: 2004
  • Length: 91.4
  • Hailing Port: NEW YORK, NY.
  • Hull Depth: 15.1
  • Hull Breadth: 34
  • Gross Tonnage: 185
  • Net Tonnage: 125
  • Owner:
    THAMES TOWING SERVICES, LLC
    2 FERRY ST
    NEW LONDON, CT 06320