What Is Holdover Time in Ground Operations?
Holdover Time defined for aviation professionals, with its operational or commercial use, document context and related terminology.
Definition, Documents and Application
Holdover time is an estimated period during which applied anti-icing fluid is expected to protect treated aircraft surfaces from specified frozen contamination under stated weather conditions.
Aviation Glossary
Term: Holdover Time
Category: Airport & Ground Operations
Ground Operations Context
Holdover Time is used during aircraft servicing, turnaround or airport operations. Ground equipment and procedures must match the aircraft type, local airport rules and the operator's approved procedures.
Operational Use
It is a planning aid rather than a guarantee; crews must monitor conditions and complete required contamination checks before takeoff.
What to Confirm
Confirm equipment compatibility, trained personnel, local procedures, safety zones, weather limits and responsibility for any ground damage or delay before the service is accepted.
Related Aviation Topics
Related ACMI World coverage includes global FBO networks, international flight support companies, airports for private arrivals, defining a charter mission profile and international charter planning.
It is a planning aid rather than a guarantee; crews must monitor conditions and complete required contamination checks before takeoff.
Holdover Time FAQ
What does Holdover Time mean in aviation?
Holdover time is an estimated period during which applied anti-icing fluid is expected to protect treated aircraft surfaces from specified frozen contamination under stated weather conditions.
Why does Holdover Time matter?
It is a planning aid rather than a guarantee; crews must monitor conditions and complete required contamination checks before takeoff.
Where would an aviation professional encounter Holdover Time?
It is commonly encountered in airport & ground operations documents, procedures, calculations or operating discussions where the underlying technical or commercial issue is relevant.
Can the same ground procedure be used for every aircraft?
No. Aircraft type, equipment compatibility, airport procedures, weather and operator instructions can change the required process.