Question 825Navigation General

The correct answer is B) display base information. The display base information is the level of database information that cannot be removed from the ECDIS (Electronic Chart Display and Information System) display. This information is required to be shown at all times, in all geographic areas, and under all circumstances. It includes the minimum information needed for safe navigation, such as coastlines, isolated dangers, aids to navigation, and other critical data. The other options are incorrect because: A) Standard display information includes additional data that can be toggled on or off by the user. C) Chart display information refers to the overall content of the electronic chart, not the mandatory display elements. D) System electronic nautical chart refers to the underlying database, not the specific information that must be displayed.