Rationale: The specification has been revised to note that Type I fluids shall not contribute to the creation of mold (3.1). In addition, a WSET minimum is now required in the thermal stability (18.104.22.168) and hard water stability (3.3.3) tests and a note has been added to 3.3.3 to indicate that additional testing with softer water may be required. A new section 22.214.171.124 has been added to institute maximum final fluid thickness requirements in the high speed ramp and low speed ramp aerodynamic tests.
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Aircraft deicingMaterialsIcing and ice detection
Also known as: SAE AMS 1424
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