What is Prist?
In this glossary, Prist refers to: A proprietary fuel system icing inhibitor (FSII) additive, often used in jet fuel to prevent the formation of ice crystals and protect against fuel line blockage at low temperatures.
How is Prist used in aviation?
In aviation communication, this term appears in contexts such as: "Confirm Prist additive has been injected into the fuel before uplift as required for cold weather operations."
Why does Prist matter in aviation?
Prist 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 Prist?
Prist is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.
What category does Prist belong to?
In this glossary, Prist 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.
