Deck Navigation (Supplementary) USCG Question #888 (Set 3)

With respect to automatic identification systems (AIS), which information is required to be broadcast every 1 to 10 seconds?

Official USCG Answer & Rule Citation

Correct Answer: Option C — Time stamp

High-precision UTC time stamps derived from integrated GNSS receivers are bundled into dynamic data position reports, ensuring synchronization and transmission accuracy within the mandatory 1 to 10 second broadcast interval specified by international maritime communication standards.

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