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SAE AS5900 Rev E

Current Revision

Standard Test Method for Aerodynamic Acceptance of AMS1424 and AMS1428 Aircraft Deicing/Anti-Icing Fluids

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This SAE Aerospace Standard (AS) establishes the aerodynamic flow-off requirements and test procedures for AMS1424 Type I and AMS1428 Type II, III, and IV fluids used to deice and/or anti-ice aircraft. The objective of this standard is to ensure acceptable aerodynamic characteristics of the deicing/anti-icing fluids as they flow off of aircraft lifting and control surfaces during the takeoff ground acceleration and climb. Aerodynamic acceptance of an aircraft ground deicing/anti-icing fluid is based upon the fluid’s boundary layer displacement thickness (BLDT) on a flat plate, measured after experiencing the free stream velocity time history of a representative aircraft takeoff. Acceptability of the fluid is determined by comparing BLDT measurements of the candidate fluid with a datum established from the values of a reference fluid BLDT and the BLDT over the dry (clean) test plate. Testing is carried out in the temperature range at which the fluid, undiluted and diluted, is to be used in airline service.

SDO SAE: SAE International
Document Number AS5900
Publication Date Aug. 19, 2021
Language en - English
Page Count 37
Revision Level E
Supercedes
Committee
Publish Date Document Id Type View
Aug. 19, 2021 AS5900E Revision
Aug. 3, 2020 AS5900D Revision
Oct. 25, 2016 AS5900C Revision
July 26, 2007 AS5900B Revision
May 23, 2003 AS5900A Revision
Feb. 10, 2003 AS5900 Revision