ATTB

NORTHROP GRUMMAN

Interior Noise Test Data Form

Test Condition 2: 0 to 35 mph Acceleration Test

Date 1998-10-26
Personnel B.L., S.C. and R.H.
Temperature (°F) 56
Humidity (%) 50
Wind Direction calm
Wind Speed (MPH) 0
Barometric Pressure (in.Hg) 30.31
Initial Sound Level Meter Calibration checked by R.L.L.
Interior Ambient Noise Level dB(A) 34.0
Exterior Ambient Noise Level dB(A) 38.0
Microphone Height During Testing(in) 45
Measurement Location Measured Sound Level dB(A)
Driver's Seat 82.4
Front Passenger Seats 83.2
Middle Passenger Seats 85.9
Rear Passenger Seats 89.9
Final Sound Level Meter Calibration checked by R.L.L.
Comments
All readings taken in the center aisle.