AN440

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Exterior Noise Test

Stationary

Date : 1993-06-07
Personnel : BL, BR and RH
Temperature (°F) : 70 Humidity (%) : 80
Wind Speed (mph) : 4 Wind Direction : nnw
Barometric Pressure (in.Hg) : 30.06
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 RL
Initial Sound Level Meter Calibration: true checked by RL
Exterior Ambient Noise Level dB(A): 46.5

Accessories and Air Conditioning ON
Throttle Position Engine RPM Curb (Right) Side dB(A) Street (Left) Side dB(A)
Measured Measured
Low Idle 599 64.5 65.3
High Idle 1005 68.3 68.4
Wide Open Throttle 2205 78.8 78.7

Accessories and Air Conditioning OFF
Throttle Position Engine RPM Curb (Right) Side dB(A) Street (Left) Side dB(A)
Measured Measured
Low Idle 601 61.9 62.5
High Idle 1005 66.4 67.0
Wide Open Throttle 2207 78.7 79.1