SAE ARP5945A – Endurance Time Test Procedures for SAE Type I Aircraft Deicing/Anti-Icing Fluids

SAE ARP5945A is to provide the sample selection criteria and endurancetime test procedures for SAE Type I aircraft deicing/anti-icing fluids required for the generation of endurance time data ofacceptable quality for review by the SAE G-12 Holdover Time Committee.

A significant body of previous research and testing has indicated that all Type I fluids formulated with conventional glycols as defined in 3.1.1 of AMS1424 perform in a similar manner from an endurance time perspective. This applies to Type Ideicing/anti-icing fluids formulated with propylene glycol ethylene glycol and diethylene glycol only. As a result Type Ideicing/anti-icing fluids containing these glycol bases no longer require testing for endurance times. The methodsdescribed in this ARP shall be employed however if endurance time testing of a conventional glycol-based Type Ideicing/anti-icing fluid is desired or requested by a fluid manufacturer operator or other organization. Fluids formulatedwith non-conventional glycol as defined in 3.1.1 of AMS1424 and all non-glycol Type I deicing/anti-icing fluids must betested for endurance times using the methods described in this ARP (as appropriate).

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