Optimizing the use of aircraft deicing and anti-icing fluids by John D'Avirro; Michael D Chaput; National Research Council

By John D'Avirro; Michael D Chaput; National Research Council (U.S.). Transportation Research Board.; Airport Cooperative Research Program.; United States. Federal Aviation Administration

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Extra resources for Optimizing the use of aircraft deicing and anti-icing fluids

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Montreal, Canada, Transportation Development Centre report TP 14150E (2004). 26 Subject Matter: Aerodynamic Penalties of Clean or Partially Expended De/Anti-icing Fluid Chaput, M. , Montreal, Canada, Transportation Development Centre report TP 13995E (2002). , Moc, N. , Montreal, Canada, Transportation Development Centre report TP 14381E Winter (not yet published) (2004). , Montreal, Canada, Transportation Development Centre report TP 14154E (not yet published) (2003). S. S. Federal Aviation Administration, Washington, DC (12/05/2004).

Calculation of Fluid Holdover Times Holdover time guidelines, which are published annually, provide pilots with tables of the protection times provided by de/anti-icing fluids in winter conditions. The values in the holdover time tables are developed through regression analysis of recorded fluid endurance time data. Aircraft de/anti-icing fluid holdover time is a function of fluid dilution, precipitation rate, precipitation type, and ambient temperature. All the tests reported here were conducted in snow conditions.

In general, these items have reached a level of maturity that enables rapid application and implementation. The effort associated with this group would be directed toward developing supporting material to influence decision-makers for field operations to implement approaches that are appropriate to their own operation. • Research and Development Technologies and Procedures: The technologies and procedures included in this group are those that are not yet fully developed. They offer strong potential for optimizing the use of glycol and have been identified as desirable in the focus group survey.

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