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INRAT Instrument Rating · Question

When flying a Non-Directional Beacon (NDB) approach, the primary instrument used for course guidance is the:

The Automatic Direction Finder (ADF) displays the bearing to the NDB station, providing the primary course guidance for an NDB approach.

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Question: When flying a Non-Directional Beacon (NDB) approach, the primary instrument used for course guidance is the:

Answer options:

  • Horizontal Situation Indicator (HSI)
  • Course Deviation Indicator (CDI) ✅ Automatic Direction Finder (ADF)
  • Radio Magnetic Indicator (RMI)

Correct answer: Automatic Direction Finder (ADF)

Explanation: The Automatic Direction Finder (ADF) displays the bearing to the NDB station, providing the primary course guidance for an NDB approach.

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