compass deflection
A key concept in navigation, "compass deflection" refers to the deviation of a compass needle from true north due to various magnetic influences.
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Definition
C1Navigation
(technical)The angle by which a compass needle is offset from true north, caused by the Earth's magnetic field not aligning perfectly with its geographical axis.
Example
- Navigators must account for compass deflection to ensure accurate course plotting.
C1Navigation
(technical)The deviation of a compass needle due to local magnetic interferences such as nearby magnetic fields or electric currents.
Example
- The compass deflection was significant near the power lines, affecting the ship's navigation.
Similar
Terms that have similar or relatively close meanings to "compass deflection":
bow compassbox the compassmagnetic deviationmagnetic compass