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- Apprentice Mate Steersman (Oceans or Near Coastal (Any Appropriate Tonnage)) »
- Q413 - Navigation General: Oceans
125. What are the only magnetic compass correctors that correct for both permanent and induced effects of magnetism?
Heeling magnets correct for both permanent and induced magnetism by neutralizing the combined vertical effect that causes heeling error when the vessel rolls or heels.
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