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Getting to Grips with Aircraft Noise

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INDEX<br />

82<br />

INDEX<br />

A<br />

Acoustic resistance 60<br />

Airbus Departure Analysis Software (ADAS)<br />

<strong>Aircraft</strong> certification<br />

28, 52, 53<br />

Approach reference noise 13<br />

Chapter 2 9, 11<br />

Chapter 3 12, 14, 18, 19<br />

Chapter 4 18, 28<br />

Flyover reference noise 13<br />

Lateral full power reference noise 14<br />

Airframe noise 7<br />

Analysers 81<br />

Approach noise 11, 15<br />

A-Sound Pressure Level (ASPL) 69<br />

Atmospheric absorption 54<br />

A-Weighted Decibel (dB(A)) 68<br />

B<br />

Balanced approach 4, 20<br />

Buzz saw noise 7<br />

C<br />

CAEP – Committee on Aviation Environmental Protection 5<br />

Community noise 20, 23, 76, 78<br />

Community <strong>Noise</strong> Equivalent Level (CNEL) 75, 79<br />

Cutback 49<br />

D<br />

Day-Evening-Night Level (LDEN) 78<br />

Day-Night average sound Level (DNL) 75<br />

Decibel (dB) 61, 62<br />

Descartes law 55<br />

Dew point 42<br />

Directivity index 57<br />

Doppler effect 56<br />

E<br />

Effective Perceived <strong>Noise</strong> Level (EPNL) 73<br />

Engine noise<br />

Compressor noise 7<br />

Fan noise 7<br />

Jet noise 6<br />

Equivalent A-Sound Pressure Level (EASPL) 71<br />

Equivalent Continuous Perceived <strong>Noise</strong> Level (ECPNL) 77, 79<br />

Flight Operations Support & Line Assistance<br />

<strong>Getting</strong> <strong>to</strong> grips <strong>with</strong> aircraft noise

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