Published by Global Banking & Finance Review®
Posted on May 15, 2025
4 min readLast updated: January 23, 2026
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Estonia claims a Russian jet breached NATO airspace to protect a tanker defying sanctions, escalating Baltic Sea tensions.
By Andrius Sytas and Sabine Siebold
TALLINN/ANTALYA, Turkey (Reuters) -Estonia said on Thursday that Moscow had briefly sent a military jet into NATO airspace over the Baltic Sea during an attempt to stop a Russian-bound oil tanker thought to be part of a "shadow fleet" defying Western sanctions on Moscow.
Russia, which regards sanctions as a malign attempt to crush its economy, says all its ships have free passage in the Baltic and any attempt to stop them is dangerous.
Estonia's navy said the unflagged Jaguar ship, which went on a UK sanctions list last week, refused to cooperate when asked to stop and was then escorted to Russian waters.
"The Russian Federation sent a fighter jet to check the situation, and this fighter jet violated NATO territory for close to one minute," Estonian Foreign Minister Margus Tsahkna told reporters in Turkey ahead of a meeting of foreign ministers from the transatlantic military alliance.
"(The) Russian Federation is ready to protect the 'shadow fleet'... The situation is really serious," Tsahkna added.
Western nations say Moscow is using a "shadow fleet" of more than 100 ships to dodge sanctions that President Vladimir Putin views as a part of a campaign to quash its global influence.
Moscow sends millions of barrels of oil and fuel every day to buyers in China and India and has warned against any attempt to violate its vessels' freedom of movement.
Finland accused Russia's ships of behaving recklessly in the area while Lithuania expressed fears of conflict.
"The probability of a serious escalation in the Baltic Sea is growing," Lithuanian Prime Minister Gintautas Paluckas said. "Russia is clearly demonstrating that it is ready to protect the route for its oil. We need to act carefully and rationally, so that escalation does not turn in to a military clash."
'FOLLOW MY INSTRUCTIONS'
Estonia said NATO military jets had also taken off to inspect the Gabon-listed Jaguar.
It was near Naissaar Island off the Estonian capital Tallinn when the navy communicated with it by radio on Tuesday afternoon, Commander Ivo Vark told Reuters in an email message.
Given it was sailing "without a nationality", the navy sought to verify its documents and status, Vark said. But when it refused to cooperate and continued towards Russian waters, the navy opted to escort it there with a patrol boat.
On Thursday, the Jaguar was anchored near the Russian port of Primorsk, Marine Traffic data showed.
Footage on X purporting to be filmed from the bridge of the tanker shows an Estonian navy patrol ship, helicopter and aircraft nearby. An identification number seen in the video matches the Jaguar.
"This is Estonian warship ... follow my instructions, alter your course to 105 immediately," a voice in English sounds over a radio.
"We are met by helicopters, they demand we go on anchor," says another voice in Russian off-camera.
Another voice, in Hindi, says: "The plane is on top of us. It's either an aircraft or a drone. The military ship is turning towards the stern of the vessel."
A military jet, which Estonia does not operate, is also glimpsed flying nearby.
On X, Margarita Simonyan, head of Russia's state media outlet RT, who posted the video, said the jet was a Russian Su-35, sent to prevent the vessel's seizure.
In another incident on April 11, Estonia detained and boarded a Russia-bound oil tanker, Kiwala, accusing it of sailing without a valid country flag. The tanker was released two weeks later after Djibouti confirmed its registry.
Kremlin aide Nikolai Patrushev told the Kommersant newspaper last month that Russia's navy was ready to protect its ships.
"Hotheads in London or Brussels need to understand this clearly," he said, adding that Western efforts to block Russian ships were beginning to resemble a "naval blockade".
It was unclear if Estonia acted at its own initiative or on request from NATO. Washington is pushing hard for a Russia-Ukraine peace deal with U.S. President Donald Trump saying he could rachet up sanctions if Moscow refuses to cooperate.
(Reporting by Andrius Sytas in Tallinn and Sabine Siebold in Antalya;Additional reporting by Dmitry Zhdannikov in London, Supantha Mukherjee in Stockholm and Andrew Gray in Brussels;Writing by Andrius Sytas and Gwladys Fouche; Editing by Clarence Fernandez and Andrew Cawthorne)
The article discusses a Russian jet violating NATO airspace to protect a tanker defying sanctions.
Russia sent a jet to protect a tanker accused of violating Western sanctions.
The 'shadow fleet' refers to ships allegedly used by Russia to bypass sanctions.
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