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Aircraft Maintenance

Data spotlights represent data and statistics from a specific period of time, and do not reflect ongoing data collection. As individual spotlights are static stories, they are not subject to the Bureau of Transportation Statistics (BTS) web standards and may not be updated after their...

Air Traffic Methodology

Discussion of the method used by the Bureau of Transportation Statistics (BTS) to seasonally adjust BTS' air traffic data. Seasonal adjustment removes seasonal events that follow a regular pattern. Transportation is highly seasonal, and without adjustment, the data do not give an accurate picture...