What is Type IV fluid?
Type IV fluid 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.
Source: ICAO Doc 9432, FAA PCG
How is “Type IV fluid” Used in Practice?
Type IV fluid was applied after de-icing to provide extended holdover time for this long-haul jet before departure.
Certification Exam Relevance
Who Needs to Know This Term?
- Pilots
- Air Traffic Controllers
- Cabin Crew
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What is Type IV fluid?
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.
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