Failure to meet these requirements is a serious criminal offence.
What qualifies as a super yacht. A superyacht or megayacht is a large luxurious professionally crewed motor or sailing. As such your yacht must be inspected and coded by the MCA and anyone skippering it must be properly qualified dependent on its size and the area of operation and commercially endorsed. These are organizations that set rules governing the construction maintenance and operation of yachts.
A motor or sailing vessel in commercial use ie. Some training providers are now offering a full programme of training to provide you with a broad overview of all superyacht operations including deck duties engineering and hotel services and a fast-track route to Deck Officer OOW certification. For your first job expect to be away from home for an extended period which may be 6 months or more.
For the private boat owner we would recommend the RYA Day Skipper qualification as a minimum. Being on charter means you dont leave the boat you cant drink alcohol you keep to your work duties and otherwise stay inside your cabin. The ABCs of Classification.
Working as a Yacht Chef Working On Yachts. Owners moving from smaller yachts into those over roughly 80 feet will quickly learn a new alphabet. Any yacht charter company offering to charter you a boat without a skipper is probably breaking more than one law.
ABS DNV BV LR RINA and more. Everyone aboard a superyacht answers to him or her. A pleasure vessel solely used for the recreational and leisure purpose of its owner and his guests.
The government of the state whose flag the yacht is entitled to fly. What you are comfortable with. And Wikipedia only muddies the water by quoting several sources in this vague attempt at a definition.