What happens during a snapback event?

This article was originally published on Baird Maritime (link below)
When a pilot is berthing a ship with the aid of tugs, it sometimes happens that the ship lands heavily and suffers minor damage. More commonly in my experience, it also happens that the crew discover a large dent for which they cannot account ...

Container ship CMA CGM MISSOURI ran aground in Suez Canal while transiting in southern direction, at around 0930 UTC Oct 14. As of 1745 UTC, probably refloated or moved, several Suez Canal tugs attending. Traffic probably suspended, but it’s not confirmed. No information on what caused grounding.
Container ship CMA CGM MISSOURI, IMO 9679919, dwt 115600, capacity 9448 TEU, built 2016, flag Liberia.

On August 5, 2020 at approximately 10:30 pm, Sandy Hook Pilot Captain Timothy M. Murray was involved in an incident while boarding a tanker vessel inbound to the Port of New York & New Jersey. He sustained injuries after falling from a pilot ladder and was evacuated to a local hospital where his injuries proved to be fatal.

Dredger OCEANLINE 5001 sailing at full speed struck anchored tanker STROVOLOS with moored alongside supply vessel, at around 1140 LT (UTC +8) Oct 2, on Melaka anchorage, Malaysia, Malacca Strait. The results can be seen on video – tanker suffered portside hull breach above waterline and apparently, some damage on cargo deck.

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.

The world watched as the grounding of the Ever Given in the Suez Canal played out. In a 2-part Quadcast Shipping Special, the "Quadcast" reviews the consequences and legal implications of a major maritime incident of this type.

Tampa Bay Pilot

The Virginia Pilot Association has ordered a high-speed, harbor pilot boat from Gladding-Hearn Shipbuilding, Duclos Corporation. It’s the pilots’ tenth launch built by the Somerset, Mass., shipyard. Delivery is scheduled for mid-2023.