ECDIS units incorporate Digital Chart Data Formats, which include __________.
Official USCG Answer & Rule Citation
Correct Answer: Option D — vector and raster
ECDIS technology supports both vector and raster chart formats. Vector charts (ENCs) provide intelligent, layered data, while raster charts (RNCs) are digitized images of paper charts. IMO regulations allow for both, provided the system meets the specific performance standards for the display of electronic navigational chart data.
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