| Abbreviation | Definition |
|---|---|
| EMIS | EMISsion |
| EMK | Emergency Medical Kit |
| EML | ElectroMagnetic Laboratory |
| EMN | Engineering Management Network |
| EMON | Exception MONitoring |
| EMP | ElectroMagnetic Pulse |
| EMP | Equipment Mounting Plate |
| EMPGS | Electrical/Mechanical Power Generation Subsystem |
| EMR | Engine Mixture Ratio |
| EMRL | Equipment Maintenance Requirements List |
| EMS | ElectroMagnetic Susceptibility |
| EMS | Engineering Master Schedule |
| EMS | Engineering Modeling System |
| EMS | Entry Monitoring System |
| EMS | Environmental Monitoring System |
| EMS | Event Management System |
| EMSF | External Maintenance and Servicing Facility |
| EMSS | ElectroMagnetic Servoactuator System |
| EMT | ElectroMechanical Test |
| EMU | Engineering Model Unit |