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ivCENSUS DATABASE FILES (.TAB, .MAP, .ID, .DAT, .IND)..................................21INM NOISE DATABASE (NOISE411.DAT)............................................................25PREPROCESSING OAG OPERATIONS DATA.............................................................25PREPROCESSING INM RUNSTREAMS......................................................................26Calculation Steps.........................................................................................................30SAMPLE SCENARIO.................................................................................................30COMPUTING NOISE EXPOSURE DATA.....................................................................30COMPUTING TIME/DISTANCE SAVINGS DATA........................................................36Model Accuracy and Limitations................................................................................36CONCLUSIONS AND PROPOSED FUTURE EFFORTS...............................................................37Add Airports to the Database......................................................................................37Improve Noise Analysis..............................................................................................38Allow the User to Input Aircraft Noise Data Files......................................................39