Cal Maritime Navigation Test One Practice

Chart Revision is issued under which condition?

Chart Revision is issued when there are major changes Chart Revision is the same as the edition's date Chart Revision replaces the current edition immediately Chart Revision - issued when there are a few, minor corrections and a new edition is not warranted

Correct Answer:

Chart Revision - issued when there are a few, minor corrections and a new edition is not warranted

Explanation:

In charting practice, updates come as revisions or new editions, and the line between them is the scale of change. A chart revision is issued when there are a few minor corrections and a new edition isn’t warranted. It updates the existing chart without replacing it, and it carries its own revision date alongside the edition information. This lets mariners have the latest small fixes quickly without the cost and lead time of printing a completely new edition. If changes are substantial enough to affect navigation—like major updates to coastlines, depths, or symbols—a full new edition is published with a new edition date.

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