TC 18 FD

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Exterior Noise Test

Accelerating from Standstill

Date : 1994-09-30
Personnel : B.L., B.R. & R.H.
Temperature (°F) : 68 Humidity (%) : 70
Wind Speed (mph) : 6 Wind Direction : N
Barometric Pressure (in.Hg) : 29.95
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): 49.1

Accelerating from Constant Speed
Curb (Right) Side
Accelerating from Constant Speed
Street (Left) Side
Run # Measured Noise Level dB(A) Run # Measured Noise Level dB(A)
1 72.5 1 72.7
2 73.0 2 72.7
3 73.2 3 72.7
4 73.2 4 73.2
5 73.4 5 73.0
Average of two highest actual noise levels = 73.3 dB(A) Average of two highest actual noise levels = 73.1 dB(A)