I encourage you to read the sources but the TLDR as I understand it that seaworthiness requirements vary significantly by the region to which the vessel is regi

I encourage you to read the sources but the TLDR as I understand it that seaworthiness requirements vary significantly by the region to which the vessel is registered. The port doesn’t have the same regulatory power, nor the resources, as a nation state to investigate and enforce, especially with regards to long term preventative maintenance