What is Affirm?
In this glossary, Affirm refers to: A standard radiotelephony term meaning 'Yes'; used to indicate a positive response to a question or instruction.
How is Affirm used in aviation?
In aviation communication, this term appears in contexts such as: "Tower: Do you have the weather information? Pilot: Affirm, we have the latest METAR."
Why does Affirm matter in aviation?
Affirm matters because it supports clear communication in Basic ATC 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 Affirm?
Affirm is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.
What category does Affirm belong to?
In this glossary, Affirm is grouped under Basic ATC. 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.