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…
NTSB issued an investigation report on the contact of tow William C with a Rock Island railroad bridge protection cell, on Des Plaines River, in January 2020. The investigation established that high speed prevented the pilot to correct the tow’s position after completing the transit through the previous bridge.
A handy and simple tool to determine in a minimum time what is really needed as tug assistance, is the Bollard Pull Calculator which calculates in an approximate way the total required tug power for ships in various conditions of wind and current. This tool can be loaded as an app on the smart phone.
