Deck Navigation (Supplementary) USCG Question #854 (Set 2)

An automatic identification system (AIS) transponder transmits and receives information broadcasts on __________?

Official USCG Answer & Rule Citation

Correct Answer: Option A — VHF maritime band

Automatic Identification Systems operate continuously in the VHF maritime band using Self-Organizing Time Division Multiple Access (SOTDMA) technology on dedicated international channels (AIS 1 and AIS 2), providing high-integrity real-time vessel tracking independent of radar frequencies.

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