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US fines Diana Wilhelmsen $2m for concealing illegal discharges of oily water into Atlantic Ocean

Cyprus-based Diana Wilhelmsen Management Limited (DWM) was sentenced on Friday in US federal court after pleading guilty to violations of the Act to Prevent Pollution from Ships that occurred on the 2004-built panamax bulker Protefs.

DWM was sentenced to pay a fine of $2m, placed on probation for four years and ordered to implement a comprehensive environmental compliance plan.

Crew members on the Protefs knowingly failed to record in the vessel’s oil record book the overboard discharge of oily bilge water from mid-April 2020 until before the vessel arrived in Newport News, Virginia, on June 10, 2020.

The vessel, which is owned by Greece’s Diana Shipping, had also arrived in New Orleans, Louisiana, on June 1, 2020, with a knowingly false oil record book.

DWM admitted that the crew used an emergency dewatering system to illegally discharge oily water directly into the ocean from the vessel’s bilge holding tank, duct keel and bilge wells. Those discharges were not recorded in the oil record book as required. The chief engineer, Vener Dailisan, pleaded guilty to making a false statement to US Coast Guard inspectors about the existence of a sounding log, which is routinely reviewed by inspectors to ascertain the accuracy of the oil record book. Dailisan was sentenced to a fine of $3,000 and placed on probation for two years.

Kim Biggar

Kim Biggar started writing in the supply chain sector in 2000, when she joined the Canadian Association of Supply Chain & Logistics Management. In 2004/2005, she was project manager for the Government of Canada-funded Canadian Logistics Skills Committee, which led to her 13-year role as communications manager of the Canadian Supply Chain Sector Council. A longtime freelance writer, Kim has contributed to publications including The Forwarder, 3PL Americas, The Shipper Advocate and Supply Chain Canada.


  1. Back in the ’90s we followed a sixty mile trail of oil from a small ship flushing its tanks in the North Sea and reported it to the coastguard. It’s amazing how large an area a little oil spill smooths – Benjamin Franklin smoothed a 2 acre pond on Clapham Common with 5ml of olive oil.
    I’ll spare you my theory that spilled oil on the ocean is a major contributor to global warming.


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