Before revision: Commercial endorsement The Yachtmaster Coastal Certificate of Competence can, subject to an ENG 1 or ML5 medical fitness test, be given a standard commercial endorsement that allows the holder to work on board British flagged vessels subject to the MCA's codes of practice for small commercial vessels up to 24m in length, operating in category 3, 4, 5 and 6 waters - that is up to 20 nautical miles from a safe haven.
After revision: Commercial endorsement The Yachtmaster Coastal Certificate of Competence can, subject to an ENG 1 or ML5 medical fitness test, be given a standard commercial endorsement that allows the holder to work on board British flagged vessels subject to the MCA's codes of practice for small commercial vessels up to 24 metres (79') in length, operating in category 3, 4, 5 and 6 waters - that is up to 20 nautical miles from a safe haven.