AN 440L

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Exterior Noise Test

Stationary

Date : 1995-01-31
Personnel : B.L., B.R., & R.H.
Temperature (°F) : 37 Humidity (%) : 65
Wind Speed (mph) : 8 Wind Direction : NW
Barometric Pressure (in.Hg) : 29.69
Verify that microphone height is 4 feet, wind speed is less than 12 mpg and ambient temperature is between 30 F and 90 F: true checked by R.L.L.
Initial Sound Level Meter Calibration: true checked by R.L.L.
Exterior Ambient Noise Level dB(A): 48.7

Accessories and Air Conditioning ON
Throttle Position Engine RPM Curb (Right) Side dB(A) Street (Left) Side dB(A)
Measured Measured
Low Idle 699 70.4 63.4
High Idle 1340 77.5 72.5
Wide Open Throttle 2207 83.2 76.2

Accessories and Air Conditioning OFF
Throttle Position Engine RPM Curb (Right) Side dB(A) Street (Left) Side dB(A)
Measured Measured
Low Idle 704 69.5 63.5
High Idle 1341 76.9 72.3
Wide Open Throttle 2208 82.4 76.1