The ship is in international waters and engaged in electronic intelligence  at the south-western part of Ukraine, the edition notes.

Russian reconnaissance ship noticed near Odessa / flot.sevastopol.info

An average intelligence ("hydrographic") ship "Liman" of the  519th  separate division  of the RK of Russian Black Sea Fleet is noted in 23 kilometers from Odessa, writes Dumskaya.net.

A source in the Ukrainian Defense Ministry said this to edition.

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The ship is in international waters and engaged in electronic intelligence at the south-western part of Ukraine, controlling the movement of military vehicles, aircraft, ships and vessels. Also, according to a source publication, using their sonar, it carries out an exploration of the shelf waters.

Theoretically, such actions may mean preparing for the landing operation.