What are cruise ship overboard detection systems and why doesn't every ship have them?

Cruise ship overboard detection aim to cut down the response time when someone goes overboard. So, why doesn't every ship have them?

     

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Cruise ship overboard detection aim to cut down the response time when someone goes overboard. So, why doesn't every ship have them?

     

February 22, 2023 at 04:43PM https://ift.tt/g0YIqSs https://ift.tt/1Inq08Z