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April 4, 2006 9:00 AM, EDT

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ir cargo shipments jumped 2.1% in February from a year earlier, though domestic shipments dipped 0.5%, the Air Transport Association said late Monday.

International shipments soared 4.6% from a year earlier to 1 million revenue ton-miles, the trade group said in its monthly report.

Domestic shipments dipped to 920,000 RTMs. A revenue ton-mile is the revenue generated by carrying one ton of freight one mile.

Air cargo shipments always have a trucking component, since air carriers use trucks for local and regional ground transportation.