In case of an emergency, fishermen are told to communicate at a certain frequency.
Russia has set up an operational group in the Azov-Black Sea Territorial Administration of the Russian Federal Agency for Fisheries to tackle the alleged "Ukrainian piracy."
The new structure will coordinate cooperation of the Russian Federal Agency for Fisheries with border control agencies, as well as provide information on the location of vessels, RIA Novosti reported.
Head of the agency's local branch, Igor Rulev, assured fishermen that their security "is provided by the border control departments of the Federal Security Service of Russia in Krasnodar Krai and the Republic of Crimea."
The crew should warn the border guards of their planned routes and vessel movements. In case of an emergency, fishermen are obliged to communicate at a certain radio frequency.
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The Prosecutor General's Office of Ukraine announced that the captain of the Nord, who turned to be a citizen of Ukraine, was indicted under Part 2 of Article 332-1 (violation of entry/exit rules into/from temporarily occupied territory of Ukraine) of the Criminal Code of Ukraine.
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Moscow also threatened to use Russia's Black Sea fleet and navy aviation to ensure secure navigation for Russian vessels in the Black Sea and the Sea of Azov.