What is Freezing Level?
In this glossary, Freezing Level refers to: The lowest altitude in the atmosphere at which the air temperature drops to 0°C (32°F), marking the boundary where liquid water can freeze.
How is Freezing Level used in aviation?
In aviation communication, this term appears in contexts such as: "Freezing level reported at seven thousand feet, caution for icing."
Why does Freezing Level matter in aviation?
Freezing Level matters because it supports clear communication in Meteorology 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 Freezing Level?
Freezing Level is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.
What category does Freezing Level belong to?
In this glossary, Freezing Level is grouped under Meteorology. 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.