Browse Standards ARP1964
Historical ISSUED 1993-05-01

MEASUREMENT OF ROTORCRAFT INTERIOR SOUND PRESSURE LEVELS ARP1964

Satisfactory measurements of noise in personnel-occupied rotorcraft cabins may require test techniques different from those prescribed for other types of aircraft (ARP1323) because rotorcraft operate under significantly different flight conditions. Recommendations of this ARP apply to the recording of acoustical data on magnetic tape and the subsequent processing and analysis of the recorded data.
ARP1964A
2012-08-16
Latest
Stabilized
ARP1964
1993-05-01
Historical
Reaffirmed

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