These guidelines apply to all "seafarers employed
or engaged in any capacity on board every commercially operated large
yacht".
The term "seafarer", is defined as a person employed or engaged
in any capacity on the vessel and should be taken to mean any person
employed either directly by a owner/operator or through a manning
agency, whose usual place of work is on the vessel and includes the
master, officers, crew members, and catering, salon and hotel staff.