| Abbreviation | Definition |
|---|---|
| NACA | National Advisory Committee for Aeronautics |
| NACC | National Aviation Community Center |
| NADIM | Naval Aviation Depot Information Management |
| NADOC | Naval Aviation Depot Operations Center |
| NAHA | National Aviation Heritage Alliance |
| NAHA | National Aviation Heritage Area |
| NAHCO | Nigerian Aviation Handling Company |
| NAHI | National Aviation Heritage Invitational |
| NAI | Nozzle Anti-Ice |
| NAIA | Ninoy Aquino International Airport |
| NAIA | North American Institute of Aviation |
| NAIRAS | Nowcast of Atmosphere Ionizing Radiation for Aviation Safety |
| NAIRAS | Nowcast of Atmospheric Ionizing Radiation for Aviation Safety |
| NAMDRP | Naval Aviation Maintenance Discrepancy Reporting Program |
| NAMO | Naval Aircraft Maintenance Orders |
| NAMO | Naval Aviation Maintenance Office |
| NAPPI | Naval Aviation Production Process Improvement |
| NAS | National Airspace System |
| NAS | Naval Air Station |
| NASB | Netherlands Aviation Safety Board |