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U.S Code last checked for updates: May 23, 2025
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Title 51
Subtitle IV
Chapter 401
Subchapter II
§ 40111. Fundamental research program
§ 40112. Research and technology programs
§ 40113. Airspace systems research
§ 40114. Aviation safety and security research
§ 40115. Aviation weather research
§ 40116. University-based Centers for Research on Aviation Training
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