Latest Maritime NZ Accident Report

SV Essence, a Bavaria Ocean Series 47, foundered in heavy seas off Northland with the loss of one life.
This is the  link to Maritime NZ report which explains what happened and makes recommendations.  The latter relate to requiring fixed hatch boards on large windows. It is an educational read.
https://www.maritimenz.govt.nz/commercial/safety/accidents-reporting/accident-reports/documents/Essence-mnz-report-22July2021.pdf