| Abbreviation | Definition |
|---|---|
| CUAS | Counter-Unmanned Aircraft System |
| CUFC | Clemson University Flying Club |
| CVR | Cockpit Voice Recorder |
| CVRA | Chippewa Valley Regional Airport |
| CWAA | Camas Washougal Aviation Association |
| CWAS | Cold Weather Aviation System |
| CWLU | Crew Wireless LAN Unit |
| CZU | Cabin Zone Unit |
| D | Drag |
| D/A | Digital to Analog |
| DA | Density Altitude |
| DAA | Dublin Airport Authority |
| DAAR | Dulles Airport Access Road |
| DADH | Decision Altitude/Decision Height |
| DAEP | Dubai Aviation Engineering Projects |
| DAFFPL | Delhi Aviation Fuel Facility Private Limited |
| DAFFPL | Delhi Aviation Fuel Facility Private Ltd |
| DAIS | Digital Airborne Imaging Spectrometer |
| DAMF | Delaware Aviation Museum Foundation |
| DANAS | Dictionary of American Naval Aviation Squadrons |