What is Type IV fluid?
In this glossary, Type IV fluid refers to: A high-viscosity, anti-icing fluid used on fast, jet aircraft to provide maximum holdover time and surface protection against ice and snow during ground operations.
How is Type IV fluid used in aviation?
In aviation communication, this term appears in contexts such as: "Type IV fluid was applied after de-icing to provide extended holdover time for this long-haul jet before departure."
Why does Type IV fluid matter in aviation?
Type IV fluid matters because it supports clear communication in Fueling Deicing 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 Type IV fluid?
Type IV fluid is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.
What category does Type IV fluid belong to?
In this glossary, Type IV fluid is grouped under Fueling Deicing. 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.
