Ballistic examination has shown that the Berdyansk boat was hit by an armor-piercing projectile from a Russian Ka-52 helicopter, which confirms the aggressive nature of the Russian attack on Ukrainian ships in November 2018.
Russia's War Against Ukraine
UkrInform: Ukraine at OSCE says Berdyansk boat was hit from Russian helicopter
Seized Ukrainian military vessels are seen in a port of Kerch, Crimea, on Nov. 26, 2018.