Society of
Naval Architects &
Marine Engineers

American Society of
Mechanical Engineers

American Society of
Naval Engineers

United States
Submarine Veterans


Coupling Systems

(original patent holders)
Ocean Tugs and Barges

  • Designed by naval architects & marine engineers
  • Design simplicity
  • Engineered & proven
  • High quality components
  • Tested in VTT Technical Research Centre of Finland, Ship Laboratory
  • Current regulatory classification by societies: ABS (American Bureau of Shipping), DNV (Det Norske Veritas)
  • Worldwide applications
  • Simplified steel structures




  • Cost savings
  • Less man-hours required for design
  • Less man-hours required for installation
  • Smaller space demand
  • Reduced weight
  • Precise fit-up
  • Fast deliveries
  • Engineering & technical support




  • Cost savings
  • Lesser draft
  • Less maintenance
  • Operation simplicity
  • Strong construction, enhances safety and reliability
  • Fuel cost savings
  • Less spare parts required
  • No on deck equipment needed
  • Environmentally friendly
  • Operates well in ice conditions and ocean environments


Beacon Finland, LTD., has furnished a total of nine JAK Tug-Barge Coupling Systems to K-SEA Transportation Co., as of August 25, 2006.

K-SEA has placed eight additional JAK Coupling System Orders with Beacon.

These photographs of K-SEA Transportation Co.'s JAK equipped tugs and barges represent five of the total furnished to date by Beacon Finland.


August, 2006 –

Penn Maritime, Inc. placed an order with Beacon Finland for five JAK-400 Coupling Systems – new construction.

August, 2006 –

Penn Maritime's tug-barge, "Tarpon" and "Potomac" were fitted with Beacon Finland's JAK-400 Coupling Systemsretrofit.

August 25, 2006 to date –

Reinauer Transportation Co. has placed four orders with Beacon Finland for a series of JAK-400 and JAK-200 Tug-Barge Coupling Systems retrofit & new construction.

2006 –

Express Marine, Inc., placed an order with Beacon Finland for one JAK-400 Coupling System – retrofit.

2001 - 2004 –

Beacon Finland furnished the JAK-400 Coupling System to K-SEA Transportation Co., Seaspan International, Inc., and several tug-barge companies in South America



Please contact us for additional information:

Rauma, Finland
Mr. Timo Rintala

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