Aviation English
Basic ATC

QNH la gi?

QNH The altimeter subscale setting that causes the altimeter to read elevation above mean sea level at an airfield. Used primarily below transition altitude.

Source: ICAO Doc 9432, FAA PCG

How is “QNH” Used in Practice?

Tháp: Lufthansa 247, QNH 1016, được phép hạ cánh đường băng 25 phải.

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

QNH la gi?

The altimeter subscale setting that causes the altimeter to read elevation above mean sea level at an airfield. Used primarily below transition altitude.

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