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What is Non-Directional Beacon?

Non-Directional Beacon Low-frequency radio beacon transmitting a non-directional signal that pilots track with an ADF receiver.

Source: ICAO Doc 9432, FAA PCG

How is “Non-Directional Beacon” Used in Practice?

Approach, KLM 201, overhead LUX NDB outbound, request vectors to intercept final runway 24.

Certification Exam Relevance

ICAO Level 4ICAO Level 5ICAO Level 6EASA FCL.055

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

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Frequently Asked Questions

What is Non-Directional Beacon?

Low-frequency radio beacon transmitting a non-directional signal that pilots track with an ADF receiver.

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