Aviation English
Phonetic Alphabet

ワンとは?

ワン The digit '1' as spoken in the ICAO radiotelephony alphabet, pronounced as 'One' for clarity in all numerical transmissions, including headings, frequencies, and flight levels.

Source: ICAO Doc 9432, FAA PCG

How is “ワン” Used in Practice?

周波数118.1でタワーと交信し、ランウェイ16レフトへの着陸が許可されています。

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

ワンとは?

The digit '1' as spoken in the ICAO radiotelephony alphabet, pronounced as 'One' for clarity in all numerical transmissions, including headings, frequencies, and flight levels.

Where can I learn this term for free?

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