FREE OUPV Marine Navigation Questions and Answers
What do nautical charts primarily provide for navigators?
Correct!
Wrong!
Nautical charts provide critical information about water depths, hazards, and other navigational aids necessary for safe passage.
Which navigational aid marks the edges of channels and indicates safe water?
Correct!
Wrong!
Buoys, lighthouses, and daymarks are all navigational aids used to mark the edges of channels and indicate safe water.
What is the primary tool used for marine navigation to determine a vessel's position?
Correct!
Wrong!
The Global Positioning System (GPS) is the primary tool for determining a vessel's precise position in modern marine navigation.
What is the purpose of a compass rose on a nautical chart?
Correct!
Wrong!
A compass rose on a nautical chart shows both magnetic and true north directions, helping navigators to plot courses.
What is the term for the angular difference between magnetic north and true north?
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Wrong!
Variation is the angular difference between magnetic north and true north, which must be accounted for in navigation.