Frequently Asked Questions

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Why is there such a large increase in the air transportation industry numbers, specifically NAICS 481111, Scheduled Passenger Air Transportation?

For the 2007 Economic Census, data on large certificated air passenger carriers are being included for the first time.  Large certificated air carriers were out of scope for the previous economic censuses.  

To find out what else has changed since the 2002 Economic census, see What's New for 2007 in the 2007 Economic Census User Guide.


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