| Abbreviation | Definition |
|---|---|
| DAP | Data Analysis and Presentation |
| DAP | Digital AutoPilot |
| DAR | Data Aided Receiver |
| DAR | Deviation Approval Request |
| DAR | Digital Autopilot Requirements |
| DAR | Drawing Analysis Record |
| DARA | Deutsches Agentur fur RaumfhartAngelegenheiten |
| DARS | Data Acquisition and Reduction System |
| DART | Days Away, Restricted, and Transferred |
| DARTS | Digital Automated Radar Tracking System |
| DAS | Data Analysis Station |
| DAS | Digital Address System |
| DAS | Digital Avionics System |
| DAS | Documentation Accountability Sheet |
| DASA | Dual Aerosurface Servo Amplifier |
| DASP | Division of Atmospheric and Space Physics (Canada) |
| DAT | Directional Aerospace Thrusters |
| DATE | Dynamics, Acoustics, and Thermal Environment |
| DAU | Data Acquisition Unit |
| DAU | Digital Adapter Unit |