Endurance Time Test Procedures for SAE Type II/III/IV Aircraft Deicing/Anti-Icing Fluids
ARP5485B
The purpose of this Aerospace Recommended Practice (ARP) is to provide the sample selection and endurance time test procedures for SAE Type II, III, and IV aircraft deicing/anti-icing fluids, required for the generation of endurance time data of acceptable quality for review by the SAE G-12 Holdover Time Committee.
The related standard ARP5718 provides the process by which endurance time data is converted to holdover times for publication by regulators and subsequent use by aircraft operators.
Rationale:
This document has been updated to reflect current practices for conducting endurance time tests with SAE Type II, III, and IV fluids. Notably, a requirement has been added to conduct tests with Type III fluids intended for use applied heated and test conditions have been updated to reflect changes made to the conditions encompassed by the holdover time guidelines (e.g., addition of light and very light snow). In addition, a test protocol has been added for conducting endurance time tests in natural frost. Finally, editorial changes have been made to improve clarity.
Related Topics:
Heat treatment
Aluminum alloys
Humidity
Hazardous materials
Heat exchangers
Cold weather
Test equipment and instrumentation
Also known as: SAE ARP 5485
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