What is a compass used for in navigation?

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Prepare for the Navy League Cadet Corps (NLCC) Apprentice Exam. Study with comprehensive questions and learn with hints and explanations. Get ready for your exam!

Multiple Choice

What is a compass used for in navigation?

Explanation:
A compass is used to determine direction relative to magnetic north. It works by aligning with Earth’s magnetic field, so you can establish a heading and steer toward a waypoint or follow a plotted course. This is how navigators set and maintain direction on the water, often adjusting for magnetic variation to align with true north on charts. It’s not about depth, distance traveled, or speed—that’s what depth sounders, distance logs, and speed indicators measure.

A compass is used to determine direction relative to magnetic north. It works by aligning with Earth’s magnetic field, so you can establish a heading and steer toward a waypoint or follow a plotted course. This is how navigators set and maintain direction on the water, often adjusting for magnetic variation to align with true north on charts. It’s not about depth, distance traveled, or speed—that’s what depth sounders, distance logs, and speed indicators measure.

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