| Abbreviation | Definition |
|---|---|
| EFD | Electronic Flight Data |
| EFHA | European Federation Historic Aviation |
| EFIS | Electronic Flight Instrument System |
| EFIS/DSP | Electronic Flight Instrument System / Display Select Panel |
| EFOS | Easy Flight Ops Solution |
| EFTO | Engine Failure on Take Off |
| EGM | Ethernet Gateway Module |
| EGPWS | Enhanced Ground Proximity Warning System |
| EGT | Exhaust Gas Temperature |
| EHSV | Electro-Hydraulic Servo Valve |
| EHU | Engine Health Monitoring |
| EIBF | Engine Inlet Barrier Filter |
| EIBT | Estimated In Block Time |
| EICAS | Engine Indication and Crew Alerting System |
| ELAC | Elevator Aileron Computer |
| ELB | Electronic Log Book |
| ELBA | Emergency Locator Beacon Aircraft |
| ELCC | Electrical Load Control Contactor |
| ELCF | Electrical Load Control Function |
| E-LSA | Experimental Light-Sport Aircraft |