What happens during a snapback event?

Itajai, Brazil. Photo and video

Apparently there were two crew members on board, but no pilot. One of crew was recovered and declared dead, another one, skipper of the boat, is missing.

A pilot boat caught fire near the entrance of the Port of Recife, on Saturday morning (15 January). The fire would have started around 11h. In a note, the port authority explained that the two people who were in the pilot boat were rescued by another pilot boat "Serrambi".
The causes of the accident had not yet been identified, but would be investigated.

Grounding container vessel Shahraz and MV Samudra Sakti in Singapore Strait May 10 2020
What happened?
MV "Shahraz" and MV "Samudra Sakti I" had run aground to the shallow Batu Berhanti in the Indonesian territorial waters within 6 minutes, which is surveyed with minimum water depths of 8.3 m in the northern part and up to 0.5 m in the southern part . It is located south of TSS Singapore Strait’s eastbound traffic lane.
A chain of events which must be described as extra ordinary rarity....

According to information from “Dominica News Online” and “Dominica Air and Sea Ports Authority”

Billy Pugh Europe - Transfer Device

Rodman is delivering the latest unit of this model of Rodman 41 pilot boat, specially designed and built for the Cadiz Pilots Corporation and fitted to meet all the Owner's requirements.

Shiphandling discussion about meeting and overtaking situations in a close quarters situation where hydrodynamic effects will come into play between ships. The lecture continues and discusses Bank Effect.

Southwest Alaska Pilots Association’s new Gladding and Hearn built, C Raymond Hunt designed pilot boat disembarks Capt. Ron Ward at Bligh Reef Pilot Station in Prince William Sound, Alaska March 2020

The technical body will bring together the extensive technical expertise and professional knowledge of Canada's licensed maritime pilots.