Fire Resistant Phosphate Ester Hydraulic Fluid for Aircraft

Standard:
Revised:
  • 2016-09-16
 
  • CURRENT
Publisher:
  • SAE International
Pages:
28
Scope:

This document establishes the requirements for physical and chemical properties and the minimum tests to evaluate suitability of phosphate ester hydraulic fluids for use in aircraft systems where fire resistance is required. Additional tests may be specified by the qualifying agency to demonstrate compliance with their specific requirements. The "qualifying agency" will be defined herein to be the airframe manufacturer submitting certification approval for use of the fluid in a specific model airplane.

Fluids meeting the requirements of this specification may be approved by a qualifying agency for use on specific airplane models. Data used to show compliance to this specification can be used by the qualifying agency to show compliance to the applicable regulations for the appropriate certifying authority; e.g., FAA, EASA, etc.

Rationale:

This revision incorporates a new fluid type, updates references and revises some tests. New requirements have been added and the dynamic seal test has been eliminated.

History:
Standard Published Revision Status
AS1241D 2016-09-16 Latest Revised
1997-09-01 Historical Revised
1992-02-18 Historical Revised
1983-03-01 Historical Revised
AKA:
  • SAE AS 1241
Sector:
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