What happens during a snapback event?

The U.S. National Transportation Safety Board (NTSB) has released a Marine Accident Brief about an accident that occurred in March 2019, involving the towing vessel Dixie Vandal, noting that the BNWAS alarm didn't prevent the fatigued pilot from falling asleep.

Going down the accommodation ladder with neither lifevest nor safety line must have been based on similar, past, successful operations, which may have never been challenged on board. This ‘slippage’ in safety is a pernicious and common phenomenon.

Tanker went out of control after engine failure and collided with general cargo ship in Kiel Canal near Kiel locks, at around 0120 LT Jul 27.

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....

The NTSB determined that the probable cause of the contact of the Miss Mollye D tow with the Route 182 bridge was a loss of control of the tow by the pilot at the helm of the towing vessel, likely due to impairment by factors such as fatigue or drug use.

Pilot tender GRODEN on 16.12.2020 on the river Weser at Brake Unterweser to Cuxhaven - 4K VIDEO

Dublin Port Company has taken delivery of a new Pilot Boat, named DPC Dodder. The state-of-the art vessel, which represents a significant investment to support the critical service performed by the pilots and pilot boat crews, arrived in Dublin Port on St. Patrick’s Day having set sail from Great Yarmouth last month.
Designed by French Naval Architect Pantocarene for both fuel efficiency and performance in challenging weather conditions, DPC Dodder features the latest navigational and...

Pilot vessel Tribulation shadowing Ramble on Rose out of Cairns .5/10/20

Bulk carrier COFCO 1 with 41,900 tons of soybean resumed sailing downstream after grounding, which took place on May 25-26, but at around 0630 UTC May 27 she ran aground again, this time in San Pedro area at 269 kilometer mark, Parana river.

Cairns based Pilot Vessel underway outbound 19/9/21