Analysis of Operational Noise Measurements in Terms of Selected Human Response Noise Evaluation Measures.
Final rept. Mar-Dec 71,
HYDROSPACE RESEARCH CORP SAN DIEGO CALIF
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A comparison between common aircraft noise measures such as composite perceived noise level PNLC, maximum perceived noise level PNLM, A-weighted level, D-weighted level and noise exposure level NEL, and the corresponding effective perceived noise level EPNL was made. Differences between EPNL and each of these measures were computed for the 727, KC-135, 707-320B, and DC-9 aircraft for three take-off and four approach operational procedures. Author