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Old 18th May 2011, 12:46
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Inspecthergadget
 
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CDG Acoustic Group Calculation
Does anyone have any clues as to how to calculate the Acoustic Group at CDG for an A320 with V2500-A1 engines?
EPNdb
Lateral/Full Power 92.7
Approach 96.6
Flyover 88.2

Have found ICAO Annex 16 which is the reference point but is incredibly difficult to understand.
If there are any Performance Engineers reading would be grateful for any input on how to make the final calculation.

Thanks
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