Which vessels require two SARTs?

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Multiple Choice

Which vessels require two SARTs?

The idea being tested is redundancy in distress signaling on higher-risk vessels. SARTs are radar transponders that respond to a radar interrogation by emitting a distinctive signal that shows up as an expanding beacon on rescuers’ radar displays, guiding them to the distressed vessel. Requiring two SARTs on passenger vessels and on vessels over 500 gross tons ensures that there is a backup if one unit fails, is damaged, or is undergoing maintenance. This redundancy is important because these ships carry more people and operate on international voyages, where reliable distress signaling is critical for prompt rescue in challenging conditions. Smaller vessels typically don’t face the same regulatory expectation, so one SART is generally deemed sufficient for them.

The idea being tested is redundancy in distress signaling on higher-risk vessels. SARTs are radar transponders that respond to a radar interrogation by emitting a distinctive signal that shows up as an expanding beacon on rescuers’ radar displays, guiding them to the distressed vessel. Requiring two SARTs on passenger vessels and on vessels over 500 gross tons ensures that there is a backup if one unit fails, is damaged, or is undergoing maintenance. This redundancy is important because these ships carry more people and operate on international voyages, where reliable distress signaling is critical for prompt rescue in challenging conditions. Smaller vessels typically don’t face the same regulatory expectation, so one SART is generally deemed sufficient for them.

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