Aviation English
Aircraft Systems

What is distance measuring equipment?

distance measuring equipment An aircraft navigation system providing slant-range distance to a ground station, often paired with VOR or ILS.

Source: ICAO Doc 9432, FAA PCG

How is “distance measuring equipment” Used in Practice?

DME indicates 5 nautical miles to threshold, prepare for final approach.

Certification Exam Relevance

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

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

Related Aviation English Terms

Distance Measuring EquipmentDistance MeasuringVOR with Co-located DMEArc

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Frequently Asked Questions

What is distance measuring equipment?

An aircraft navigation system providing slant-range distance to a ground station, often paired with VOR or ILS.

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