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SAE AIR1289A
Evaluation of Helicopter Turbine Engine Linear Vibration Environment
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STANDARD published on 1.6.2026
The information about the standard:
Designation standards: SAE AIR1289A
Publication date standards: 1.6.2026
SKU: NS-1275989
Country: American technical standard
Category: Technical standards SAE
Annotation of standard text SAE AIR1289A :
This SAE Aerospace Information Report (AIR) outlines a recommended procedure for evaluation of the vibration environment to which the gas turbine engine powerplant is subjected in the helicopter installation. This analysis of engine vibration is normally demonstrated on a one-time basis upon initial certification, or after a major modification, of an engine/helicopter configuration.
This AIR deals with linear vibration as measured on the basic case structure of the engine and not, for example, torsional vibration in drive shafting or vibration of a component within the engine such as a compressor or turbine airfoil.
In summary, this AIR discusses the engine manufacturer’s "Installation Test Code" aspects of engine vibration and proposes an appropriate measurement method.
SUBJECT TAXONOMY: Noise, Vibration, Hybrid engines, Turboprop engines, Rotary-wing aircraft
SUBFILE: Aerospace
TYPE OF DOCUMENT: Aerospace Standard
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