MCA OOW Yacht Navigation And Radar Practice Questions - MCA Officer Of The Watch Yacht - Navigation And Radar (IAMI Written Examination) Exam

Magnetic deviation of the ship's compass is primarily caused by:

The earth's magnetic poles only The ship's magnetic fields and hard/soft iron magnetism that vary with heading Atmospheric refraction near the horizon The difference between UTC and zone time

Correct Answer:

The ship's magnetic fields and hard/soft iron magnetism that vary with heading

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