More detail at
https://shipmar.com/divisions/harbour-and-terminal/pilot-1350/
Accurate and real-time pilot movement information is vital for port communities and their customers, whether you are a ship operator planning an upcoming port call, a terminal operator planning the berth scheduling, or a port agent arranging cargo and husbandry services. By receiving timely updates of scheduled and actual vessel movements at port, this will allow each stakeholder to plan and execute their day-to-day operations accordingly.