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Revision A, March 31, 1992

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Evaluation of Helicopter Turbine Engine Linear Vibration Environment

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Product Details:

  • Revision: Revision A, March 31, 1992
  • Published Date: March 31, 1992
  • Status: Active, Most Current
  • Document Language: English
  • Published By: SAE International (SAE)
  • Page Count: 14
  • ANSI Approved: Yes
  • DoD Adopted: No

Description / Abstract:

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.
AIA/NAS Aerospace Standards