Which describes the level of database...

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Question 1 of 2066636ee928f7522a1c51955d

Which describes the level of database information which cannot be removed from the ECDIS display and consists of information which is required at all times in all geographic areas and under all circumstances?

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Question 1 of 20

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🔍 Key Concepts

• ECDIS (Electronic Chart Display and Information System) display levels as defined by IMO and IHO standards • Difference between Display Base, Standard Display, and All Other Information layers • What information must be shown at all times in all areas, even when the officer reduces layers for decluttering

💭 Think About

• Which of these options refers to the minimum mandatory chart information that cannot be turned off by the operator? • Think about what information a navigator must always see to maintain basic situational awareness, even if all optional overlays are removed. • Look at the wording: which term is used in IMO/IHO definitions to describe the basic, non-removable layer on which other layers are added?

✅ Before You Answer

• Verify which term is defined as the minimum, permanent ECDIS chart layer that cannot be removed. • Confirm that the option you choose is not something the user can freely configure or switch off. • Check that your choice matches the idea of information required in all geographic areas and under all circumstances, not just for normal navigation or standard watchkeeping.

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