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What is Magnetic Interference?

Magnetic Interference Disruption or deviation of magnetic compass readings due to local magnetic fields, ship’s structure, or electrical equipment, requiring verification and correction.

Source: IMO SMCP, STCW Convention, SOLAS, COLREG

How is “Magnetic Interference” Used in Practice?

Bridge, magnetic interference detected on compass during passage near power lines. Switch to gyro and verify heading periodically.

Certification Exam Relevance

STCWMarlins TestISF WatchkeeperGMDSS

Who Needs to Know This Term?

  • Deck Officers
  • Engine Officers
  • Masters

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Frequently Asked Questions

What is Magnetic Interference?

Disruption or deviation of magnetic compass readings due to local magnetic fields, ship’s structure, or electrical equipment, requiring verification and correction.

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