Passenger ships - usually defined as a ship carrying more than 12 passengers - on international voyages must comply with all relevant IMO regulations, including those in the SOLAS and Load Lines Conventions.
Royal Caribbean's Voyager of the SeasPassenger ships in operation today are subject to a vast array of regulations and standards covering every aspect of ship construction and operation. A number of incidents over the years have led to improvements in safety requirements, including those relating to fire safety measures - such as escape routes and fire protections systems for the large atrium typical of cruise ships - and life-saving appliances and arrangements.