What is Three?
Three The ICAO/FAA radiotelephony spelling for the numeral '3'. Used to clearly transmit numbers, altitudes, headings, runways, and flight levels in ATC phraseology.
Source: ICAO Doc 9432, FAA PCG
How is “Three” Used in Practice?
Turn right heading one eight three, maintain three thousand feet until established on the localizer.
Certification Exam Relevance
Who Needs to Know This Term?
- Pilots
- Air Traffic Controllers
- Cabin Crew
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What is Three?
The ICAO/FAA radiotelephony spelling for the numeral '3'. Used to clearly transmit numbers, altitudes, headings, runways, and flight levels in ATC phraseology.
Where can I learn this term for free?
Termify is a 100% free professional English app that teaches Three 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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