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SAE ARP1279 1972 Edition, August 1972
Standard Indoor Method of Collection and Presentation of the Bare
Turboshaft Engine Noise Data for Use in Helicopter Installations
Description / Abstract:
This Aerospace Recommended Practice (ARP) outlines a recommended test
procedure, data collection
and preparation method for indoor noise tests of a bare turboshaft
engine suitable for helicopter
installations. It should be recognized that free field measurements
are preferable.
SAE ARP1279 1972 Edition, August 1972
Standard Indoor Method of Collection and Presentation of the Bare
Turboshaft Engine Noise Data for Use in Helicopter Installations