What is Three?
In this glossary, Three refers to: The ICAO/FAA radiotelephony spelling for the numeral '3'. Used to clearly transmit numbers, altitudes, headings, runways, and flight levels in ATC phraseology.
How is Three used in aviation?
In aviation communication, this term appears in contexts such as: "Turn right heading one eight three, maintain three thousand feet until established on the localizer."
Why does Three matter in aviation?
Three matters because it supports clear communication in Phonetic Alphabet contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.
Who uses Three?
Three is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.
What category does Three belong to?
In this glossary, Three is grouped under Phonetic Alphabet. Related pages in this category explain adjacent procedures, commands and operational concepts.
Where does this definition come from?
This definition is sourced from ICAO Doc 9432, FAA PCG and published by Protermify Aviation as a static aviation reference page.