| ADS-B | Automatic Dependent Surveillance–Broadcast |
| ATM | air traffic management |
| DOD | Department of Defense |
| EPA | Environmental Protection Agency |
| FAA | Federal Aviation Administration |
| FAR | Federal Aviation Regulation |
| GA | general aviation |
| GPS | Global Positioning System |
| IA | increasingly autonomous |
| ICAO | International Civil Aviation Organization |
| IFR | instrument flight rules |
| NAS | National Airspace System |
| NextGen | Next Generation Air Transportation System |
| NHTSA | National Highway Traffic Safety Administration |
| NITRD | Networking and Information Technology Research and Development |
| OODA | Observe, Orient, Decide, Act |
| PARS | people, (software) agents, robots, and sensors |
| TCAS | Traffic Alert and Collision Avoidance System |
| UAS | unmanned aircraft system(s) |