Port operations, whether these are being performed on water or on land, are often not without risk. Pilots boarding a ship while sailing, navigating through narrow passages, collision avoidance with other smaller or larger vessels, discharging and moving cargo on land, walking between container handling equipment and trucks…
According to AIS past track data, the vessel was obviously too fast on 9 knots and also going down the wind (4-5 bft., take a look at the exhaust from the stack) when entered the inner harbour considering the size and displacement. That speed was approximate 3 ship lengths to the pier and there was the on pier wind after the turn. Why the ship entered the port so fast will be the subject of the investigations to be awaited. Knowing South Korea procedures there will be no just marine...
