Aviation English
Phonetic Alphabet

Chấm la gi?

Chấm The ICAO/FAA radiotelephony word for the decimal mark in frequencies and altitudes, ensuring clarity in transmitting figures (e.g., one two one decimal seven as 'one two one point seven').

Source: ICAO Doc 9432, FAA PCG

How is “Chấm” Used in Practice?

Liên lạc với tháp điều khiển trên tần số một một chín chấm năm khi sẵn sàng.

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

Chấm la gi?

The ICAO/FAA radiotelephony word for the decimal mark in frequencies and altitudes, ensuring clarity in transmitting figures (e.g., one two one decimal seven as 'one two one point seven').

Where can I learn this term for free?

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