The Greek-managed Contship Jet was chartered by Israeli shipping company ZIM and carried 421 containers from Israel toward Constanța, Romania.

From the articleShip chartered by Israeli company sinks in Black Sea after drone attackAlso in Watch: Rare Footage Of Sea Drone Attack On Container Ship Off Bulgaria, Greek container ship sinks after drone attack off Bulgaria | Reuters, Zim-chartered container ship sinks after drone strike in Black Sea | Ctech, Ship sinks off Bulgaria’s Black Sea coast after being hit by drones, ZIM vessel sinks in Black Sea after being hit by 3 suicide boat drones; no injuries