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Pages 11-13

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From page 11...
...   Page 11   3 Selection of Modeling Method Overview The motivations for this ACRP project originated from the typical questions AEDT users face when conducting analysis of airport noise and emissions. Subject to the many constraints posed by the project, the user must decide when and how to conduct detailed analysis of aircraft arrival and departure procedures.
From page 12...
...   Page 12   Figure 2. Profile Modeling Based on Project Needs Based on the Data and Resources Available Based on the information in Figure 2, the AEDT user can begin to determine whether or not customized profiles are necessary and beneficial to a particular project or study.
From page 13...
...   Page 13   Aircraft weights, reduced-thrust information, and flight procedures for a given airport, air carrier, and time period are often more difficult or even impossible to collect and require greater resources to obtain and verify. Therefore, the new default profiles and profile modeling tools provided by ACRP 02-55 are aimed at achieving better accuracy in the absence of these types of data.

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