Abstract: Alongside the advances made in luxury and comfort in passenger ships over the last few decades, newand modern elements and protocols for the safety of the ship, passengers and the environment have alsobeen established. At present, the major concern is to develop a more specialized security technologicalframework with the main objective of minimizing risks on board. It is in this area that the present workis carried out with a view to proposing the implementation of a system for locating people on boardin real time consisting of the use of tracking bracelets, based on radiofrequency technology. Radiofrequency technology is a technology that is now more than 50 years old, and yet it is still a technologywith great potential.Despite being a system that requires a substantial initial investment and costly maintenance, the benefits,in the short and long term, will be reflected in a substantial reduction in the number of incidents thatpose a security risk, as well as a more efficient management of resources. The system applies the useof active radio frequency tags installed on the bracelets that will respond to the message transmitted bya transceiver through a series of antennas distributed throughout the vessel. By means of a series ofalgorithms, these antennas will determine the position of the bracelet and therefore identify the ownerpassenger. These devices will be operational both in the interior spaces of the ship and on the outerdecks. Finally, a procedure is developed for the use of this system focused on respecting at all times theprivacy rights of the passengers. As a result, and for moments of crisis on board, an efficient missingpassenger location system will be obtained, along with a procedure to ensure its proper use.

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