Video Unberthing of a 23,000 gross tons tanker
published on 22 June 2020
The "Navig8 Axinite" is a 184 meter tanker. It is in loaded conditions. two tugs are used. The maneuver consists of backing out using 2 tugs and the ship´s engine, for about 2 and a half ship´s lenghts an then turning to port. After the turn, you can hear me talking with the captain about passing arrangements with an inbound vessel, (another tanker).
Article Watch out for hydrodynamic effects when manoeuvring your ship in restricted waterways
by SWZ|Maritime - published on 14 October 2021
Research on hydrodynamic interaction indicates that if the speed of the ship near a bank is too high, the rudder may be less able to cope with the forces induced and control will be lost. The Nautical Institute highlights this in its latest Mars Report, in which an LPG carrier hit a barge being towed by a tugboat as a result of hydrodynamic forces.