Turkey is set to implement an international convention on naval passage through two of its strategic straits, which would allow them to limit the movement of Russian warships between the Mediterranean Sea and the Black Sea.
Mevlut Cavusoglu, Turkey’s foreign minister said on Sunday that the situation in Ukraine had become a war, a declaration that authorizes Ankara to activate the Montreux Convention and ban Russian war vessels from entering the Black Sea through the Bosporus and Dardanelles straits.
“In the beginning, it was a Russian attack,” Cavusoglu said in an interview with broadcaster CNN Turkish.” Now it has turned into a war.”
“Turkey will implement all provisions of Montreux Convention in a transparent manner,” he added.
The decision comes three days after Kyiv had asked Ankara to close the Bosporus and Dardanelles straits to Russian ships.
But what does the Montreux Convention entail and how could its implementation affect the war between Russia and Ukraine?
The only passage to the Black Sea
The Bosporus and Dardanelles straits, also known as the Turkish Straits or the Black Sea Straits, connect the Aegean Sea and the Black Sea via the Sea of Marmara. It is the only passage through which the Black Sea ports can access the Mediterranean and beyond.
The Turkish Straits are comprised of the Dardanelles, the Marmara Sea, and the Bosporus
Over three million barrels of oil, about three percent of the daily global supply, mostly produced in Russia, Azerbaijan, and Kazakhstan, pass through this waterway every day. The route also ships large amounts of iron, steel, and agricultural products from the Black Sea coast to Europe and the rest of the world.
According to the 1936 Montreux Convention Regarding the Regime of the Straits, often referred to simply as the Montreux Convention, Turkey has control over both the Bosporus and Dardanelles straits.
In the event of a war, the pact gives Ankara the right to regulate the transit of naval warships and to block the straits to warships belonging to the countries involved in the conflict.
Could Turkey block Russian warships?
Russia’s location on the Black Sea complicates the situation.
Article 19 of the treaty contains an exception for the countries on the Black Sea that can effectively undermine Turkey’s power in blocking the Russian warships entering or exiting the Black Sea: “Vessels of war belonging to belligerent powers, whether they are Black Sea Powers or not, which have become separated from their bases, may return thereto,” it says.
That means warships can return to their original bases through the passage and Turkey cannot prevent it.
For example, a Russian fleet registered in the Black Sea but currently located in the Mediterranean Sea, is allowed to pass through the Bosporus and Dardanelles straits and return to its base. The condition also applies to Russian fleets currently in the Black Sea that belong to a base in the Mediterranean or Baltic Sea. Russia is free to take them out of the Black Sea.
Cavusoglu raised this point in his interview with CNN. “If this warship is to go to the base in the country that is a party to the war, then this passage cannot be prevented”, he said, adding that there should be no abuse and “the ships returning to their bases should not be involved in a war after saying it will go back to the base.”
The official assignment of a ship to a port determines whether it has the right to pass through the Straits or not. The official assignment, according to theInternational Maritime Organization (IMO) falls under the authority of the state that owns the ships. Therefore, another possible way for Russia to exploit the Montreux Convention, would be to reassign some of its vessels to the Black Sea.
Invoking the Montreux Convention could have long term consequences for Russia’s naval presence in the Black Sea and the Mediterranean
No immediate impact, but long term consequences
The extensive freedom that Russia enjoys due to its location on the Black Sea casts doubts on whether invoking the pact will have significant military consequences on the ongoing conflict. “This is mainly order-reinforcing; any military relevance will be minor & long-term,” wrote Cornell Overfield, analyst at the Center for Naval Analyses, in athread of Tweets.
According to the treaty, vessels that Russia decides to bring into the Black Sea or take out, will have to remain there until the end of the war. In addition, “warships, including auxiliary vessels, not currently in the Black Sea and not traditionally based there, absolutely may not enter the Black Sea,” Overfield wrote. “This might be irrelevant in the short term but could be big if the conflict drags on.”
Sinan Ulgen, former Turkish diplomat and researcher at the Carnegie Foundation in Europe, believes that invoking the treaty will make it more complicated for Russia to balance its military presence in the Black Sea and the East Mediterranean.
“Before Russia was able to flexibly use its Black Sea fleet naval assets including submarines,” he wrote on Twitter. “Now not anymore. It has to choose which asset will be in the Black Sea and which one will remain in the Mediterranean.”
“What Turkey is doing is more like what countries closing their airspace to Russia flights are doing,” Overfield wrote.
“Closing the Straits might never have a military impact in the Russo-Ukrainian War,” he adds. “But it is Turkey’s unique way of punishing Russia for its crime of aggression and showing commitment to international law.”
Edited by Sonia Phalnikar
What is the Montreux Convention and can Turkey use it to block Russian warships?
Source: Pinoy Pop News
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