While underway, automatic identification systems (AIS) broadcast all of the following information every 1 to 10 seconds EXCEPT the __________.
Official USCG Answer & Rule Citation
Correct Answer: Option B — ship's scantlings
Ship scantlings and structural dimensions are classified as static and voyage-related AIS data transmitted infrequently (every 6 minutes). Dynamic navigational parameters such as latitude, longitude, speed over ground, and course over ground are broadcast rapidly every 1 to 10 seconds.
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