| 40101. | Definition of institution of higher education. | |
| 40102. | Governmental interest in aeronautics research and development. | |
| 40103. | Cooperation with other agencies on aeronautics activities. | |
| 40104. | Cooperation among Mission Directorates. | |
| 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. | |
| 40131. | Aeronautics scholarships. | |
| 40141. | Aviation data requests. | |
