SAE ARP6852C

This document describes methods that are known to have been used by aircraft manufacturers to evaluate aircraft aerodynamic performance and handling effects following application of aircraft ground deicing/anti-icing fluids (“fluids”), as well as methods under development. Guidance and insight based upon those experiences are provided, including: Similarity analyses Icing wind tunnel tests Flight tests Computational fluid dynamics and other numerical analyses This document also describes: The history of evaluation of the aerodynamic effects of fluids The effects of fluids on aircraft aerodynamics The testing for aerodynamic acceptability of fluids for SAE and regulatory qualification performed in accordance with AS5900 Additionally, Appendices A to E present individual aircraft manufacturers’ histories and methodologies which substantially contributed to the improvement of knowledge and processes for the evaluation of fluid aerodynamic effects The document has been revised to include a note in 4.4.2, presenting one scenario where a diluted fluid could be used to perform flight tests. References to ARP4737 were replaced by AS6285, since the former was cancelled. Publications AMS1428/1 and AMS1428/2 were included in the list of references. Editorial and formatting improvements were also incorporated.