More detail at
https://shipmar.com/divisions/harbour-and-terminal/pilot-1350/
By using Humphree's trim and stabilization system, you will reduce resistance, fuel consumption and environmental impact. It also means that the best possible performance and stability is achieved.
Humphree USA reports that it has won numerous orders this year for its automatic stabilization technology in the North American pilot boat segment, with nine new boats either delivered or under construction for eight different pilot associations.
A more unique angle regarding freighter departures; I was able to film the routine disembarking of one of our local ship captains and officers after piloting Solina out of the harbor. This is a required procedure, as per US Maritime Laws, all international freighters must be piloted in and out of a US harbor by a US Captain. Here we have out local pilot vessel Sea Bear running up alongside the Solina to allow the two officers to depart the freighter before she heads out across Lake Superior