Aviation English
Phonetic Alphabet

二 是什么？

二 The ICAO/FAA radiotelephony spelling for the numeral '2'. Used to communicate numbers, headings, altitudes, flight levels, and runways unambiguously in ATC transmissions.

Source: ICAO Doc 9432, FAA PCG

How is “二” Used in Practice?

爬升并保持飞行高度二五零，达到后报告。

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

千四六三

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Frequently Asked Questions

二 是什么？

The ICAO/FAA radiotelephony spelling for the numeral '2'. Used to communicate numbers, headings, altitudes, flight levels, and runways unambiguously in ATC transmissions.

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Termify is a 100% free professional English app that teaches 二 and 4,071+ other industry terms with native pronunciation, IPA transcriptions and career quizzes. Available on iOS in 23 languages. No subscription, no credit card required.

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