The intensification of physical detentions and inspections of tankers by Western states is leading to noticeable changes in the structure of the “shadow fleet.” According to analysts, dozens of vessels that previously used fictitious or temporary flags have begun returning to the Russian registry to restore legal protection at sea.
π After a series of inspections and seizures of vessels without confirmed nationality, many tankers have effectively become “flagless,” making them vulnerable to inspections under international maritime law. Against this backdrop, approximately 120 sanctioned tankers may change their registration to Russian in the coming months.
According to analysts, dozens of vessels have already begun transmitting AIS data indicating Russia as their new flag state. Some tankers have changed their registration after detentions or inspections by the US, UK, and French navies.
βοΈ Vessels flying fictitious or ambiguous flags may be considered stateless vessels. In this case, international law permits their inspection and detention. According to analysts, returning to the Russian flag gives such tankers the formal legal protection of their flag state, although pressure from Western countries continues to mount.
π More than 650 tankers remain under sanctions for trading oil linked to Russia, Iran, or Venezuela;
β Many vessels previously switched between “convenient” registries such as Gabon, Comoros, Gambia, and others;
β The share of Russian flags on large tankers is again growing, strengthening Moscow’s control over its own export logistics.
π European countries have already warned the industry of possible further action against vessels with ambiguous registrations. Amid increased scrutiny, the shadow fleet may continue to restructure its registration systems and routes to reduce the risk of detention.
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