AIS ship tracking system
AIS (Automatic Identification System) is a worldwide used transponder system for shipping traffic.
Svašek Hydraulics uses this system to monitor ship movements.An example of shipping traffic monitoring inside the Port of Rotterdam of Wednesday December 12th 2007 can be found here
The cruise ship Queen Victoria, departs backwards from the Rotterdam Cruise Terminal. The cruise ship turns in one of the harbour basins and then sails for open sea. The whole manoeuvre is assisted by tugs.