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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Commercial aviation

Legacy ID
6616
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Long-Distance Travel & Tourism Data Program (TTDP)

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Travel and Tourism Data for a Stronger US Economy

The U.S. Department of Transportation’s (USDOT’s) Office of International Transportation and Trade and the Bureau of Transportation Statistics are developing a Long-Distance Travel and Tourism Data Program (TTDP).

Accounting and Reporting Directives

The Bureau of Transportation Statistics (BTS) Office of Airline Information issues periodic Accounting and Reporting Directives (A&RD) and industry letters that serve the reporting air carriers by providing clarity to the regulations. A&RD provides more specific instructions and details (e.g. aircraft type codes) about the regulations because the information was too technical or lengthy to be included due to page limitations.