Methods and Processes for Evaluation of Aerodynamic Effects of SAE-Qualified Aircraft Ground Deicing/Anti-icing Fluids
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.
NOTE: This document is applicable for fluids that are “qualified” to (i.e., have passed) the tests and other standards prescribed in AMS1424 or AMS1428 and are properly used in accordance with ARP4737.
NOTE: There are topics of potential interest not discussed in this document, such as re-hydrated gel residues – (see 2.2).
CAUTION: The results and conclusions of the various test programs described herein should not be assumed to be universally applicable.
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Cabin Crew Stations
This SAE Aerospace Recommended Practice (ARP) provides guidance for the design and location of cabin crew stations, including emergency equipment installations at or near such stations, so as to enable the cabin crew to function effectively in emergency situations, including emergency evacuations.
Recommendations regarding design of cabin crew stations apply to all such stations; recommendations regarding location apply to those stations located near or adjacent to floor level exits.
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Method to Evaluate Aircraft Passenger Seats for the Test Requirements of 14 CFR Part 25 Appendix F, Parts IV and V
This SAE Aerospace Recommended Practice (ARP) is only applicable to 14 CFR part 25 Transport Airplane passenger seats. This document provides an approach for determining which parts on aircraft seats are required to meet the test requirements of 14 CFR part 25 Appendix F, Parts IV and V. Such materials are referred to as Heat Release Special Conditions (HRSC) compliant]. Additionally, it is recommended to use HRSC compliant materials in applications where not required.
Independent furniture related to seat installations is outside the scope of this document.