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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.
Author | SAE International ® |
---|---|
Editor | SAE |
Document type | Standard |
Format | File |
ICS | 17.140.30 : Noise emitted by means of transport
49.050 : Aerospace engines and propulsion systems |
Set | AEROPAKS10U-10 |
Year | 1970 |
Document history | |
Country | USA |
Keyword | SAE 1279;1279 |