https://www.gov.uk/government/publications/exemption-relating-to-high-speed-craft-on-uk-categorised-waters
Exemption relating to High Speed Craft on UK categorised waters - GOV.UK
General exemption in relation to new passenger ships operating solely in UK categorised waters
high speed craftexemptionrelating
https://www.gov.uk/guidance/high-speed-craft-construction-and-maintenance-standards
High-speed craft: construction and maintenance standards - GOV.UK
Operational codes of practice, construction and maintenance standards for cargo or passenger high-speed craft and Ro-Ro.
high speed craftconstruction and maintenancestandardsuk