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Revision B, August 2012

Complete Document

Type Measurements of Airplane Interior Sound Pressure Levels During Cruise

Includes all amendments and changes through Stabilization Notice (No longer revised / updated) , August 2012

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Product Details:

  • Revision: Revision B, August 2012
  • Published Date: August 2012
  • Status: Active, Most Current
  • Document Language: English
  • Published By: SAE International (SAE)
  • Page Count: 11
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

The primary measurement procedure recommended in this ARP includes the recording of sound pressure signals in the interior of the an airplane during steady state cruise conditions with analysis after the flight into octave band (or one-third octave band) sound pressure levels.

Alternatively, spectral analyses of the sound pressure signals may be performed directly on board an airplane. Though less flexible than the primacy measurement procedure, that alternative procedure offers the advantage of immediate availability of frequency band or frequency weighted sound pressure levels that are consistent with those measured in accordance with the procedures in ISO 5129 (Reference 2.1)

In view of the range of possible measurement systems, this ARP provides electroacoustical performance requirements for a complete system from a microphone to the readout device. Various individual components of measurement system may be selected so long as the total measurement system complies with the requirements.

Recommendations of this ARP are not intended to satisfy the stringent requirements for airplane design or development. Also, they may not be directly applicable to measurements of sound pressure levels in the interior of helicopters or general aviation airplanes where special constraints on measurement location and test procedures may exist. Specific recommendations for measurement of interior sound pressures levels in helicopters are given in 2.2
AIA/NAS Aerospace Standards