There was a helicopter on board the destroyed Russian ship ... for the Ukrainian Navy, Dmytro Pletenchuk. According to the source, it is not yet clear whether it was a Ka-29 or Ka-27.

A massive naval parade involving cutting-edge combat ships and gunboats began on the Neva River in St. Petersburg to celebrate Russia’s ... by groups of Ka-31R, Ka-29 and Ka-27M helicopters ...