Estimating air service demand (true market) Methodology –Each NWRASI airport has its own unique air service market –ACA population defined for each market by zip code –Economics and demographics considered for proxy markets –Competing (alternate) airport service considered Data sources –YE 10/2006 MIDT for zip codes included in each catchment area –Airports with existing service combined MIDT and DOT airline data by destination –Airports without existing service estimated using travel factors based on several factors including proximity to larger airports
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