If the electronic chart is part of an ECDIS, it must display the minimum data required by IMO/IHO, to include all of the following EXCEPT __________.
Official USCG Answer & Rule Citation
Correct Answer: Option A — tidal currents
IMO performance standards for ECDIS specify the Display Base, which includes essential information like hydrography, aids to navigation, and regulatory boundaries. Tidal currents are considered dynamic information and are not part of the mandatory minimum display requirements, as they require external data integration and are not static chart features.
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