This is how a pilot boarding ship

Boarding a vessel at sea can be dangerous. By following simple rules, it can be done safely. This safety video shows you how to leave the launch boat and climb the ladder when boarding vessels at sea safely as well as boarding preparations, safety precautions and boarding under special conditions. The 3 types of boarding arrangements for pilot are also explained. Watch with sound on. Transfers are normally safe when everyone takes all the precautions. If you think it is unsafe, remember to...

pilot boat is a type of boat used to transport maritime pilots between land and the inbound or outbound ships that they are piloting. Pilot boats were once sailing boats that had to be fast because the first pilot to reach the incoming ship 

Official Video by MAERSK:" In the past two years we have made boarding safer for maritime pilots on more than 100 ships."

Ship Pilot Changing | https://youtu.be/tNunUft6aOo

Case Study: A study conducted for Fremantle Ports on vessel interacting within the harbour.

Med Marine and IBK Ltd. signed a two-vessel contract for MED-P16 series last November for Nigerian Ports Authority’s operations in Lagos, Nigeria. A year after that, Nigerian Ports Authority takes the delivery of the two high- quality pilot boats. Both units have been despatched on a specialised transport vessel to Nigeria from Turkey.