Aviation English
Basic ATC

Duy trì la gi?

Duy trì An instruction to continue holding a specified altitude, heading, speed, or other parameter until further advised.

Source: ICAO Doc 9432, FAA PCG

How is “Duy trì” Used in Practice?

Tăng lên và duy trì mức bay ba năm không.

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

Duy trì la gi?

An instruction to continue holding a specified altitude, heading, speed, or other parameter until further advised.

Where can I learn this term for free?

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