| Acronym | Meaning |
| DA | Deployed Assembly |
| DA | DeploymentAssembly |
| DA | Distribution Assembly |
| DA | Distribution Assembly |
| DA | Double AmPlitude |
| DA&D | Data Acquisition And Distribution |
| DAB | Data Acquisition Bus |
| DABS | Discrete Address Beacon SYstem |
| DAC | Data Acquisition And Control |
| DAC | Data Acquisition Camera |
| DAC | Digital To Analog Converter |
| DAC | Digital To AnalYtical Conversion |
| DACB | Data Acquisition And Control Buffer |
| DACBU | Data Acquisition And Control Buffer Unit |
| DACS | Data Acquisition And Control System |
| DACS | Digital Acquisition And Control System |
| DACT | DisPosable Absorption Collection Trunk |
| DADE | Data Acquisition And Decommutation EquiPment |
| DADS | Dual Air Density Satellite |
| DAE | Data Acquisition EquiPment |
| DAF | Data Acquisition Facility |
| DAF | Data Analysis Facility |
| DAFT | Data Acquisition Frequency Table |
| DAIS | Data Avionics Information System |
| DAL | Data Acquisition List |
| DAL | Data Accession List |
| DAL | Data Aided Loop |
| DAM | Double Aluminized Mylar |
| DAM | Driver Amplifier Module |
| DAP | Data Acquisition Plan |
| DAP | Digital Autopilot |
| DAP | Digital Autopilot |
| DAR | Data Aided Receiver |
| DAR | Deviation Approval Request |
| DAR | Digital Autopilot Requirements |
| DAR | Drawing Analysis Record |
| DARS | Data Acquisition And Reduction System |
| DARTS | Digital Automated Radar Tracking System |
| DAS | Data Analysis Station |
| DAS | Data Acquisition System |
| DAS | Digital Address System |
| DAS | Digital Avionics System |
| DAS | Documentation Accountability Sheet |
| DASA | Dual Aerosurface Servo Amplifier |
| DATE | Dynamics |
| DAU | Data Acquisition Unit |
| DAU | Digital Adapter Unit |
| DAV | Data Available |
| DAV | L Data Available-Low |
| DB | Data Base |