Russia’s Arctic shipping lanes have become a corridor for the global shadow fleet of sanctioned oil and LNG tankers, raising safety, environmental, and geopolitical concerns.

2025, nearly one-third of vessels using the route were part of the so-called dark fleet.  Bellona Foundation has identified 100 sanctioned ships

In total, the researchers identified 38 sanctioned oil and oil product tankers and 13 LNG carriers using the Arctic shortcut.