| E | East(ern); Even (Levels with direction indicator <or> |
| EAC | Estimated Approach Clearance |
| EAT | Expected Approach Time |
| EB | East Bound |
| EDA | Emergency Distance Available |
| EDT | Eastern Daylight Time |
| EET | Estimated Elapsed Time |
| EFAS | Electronic Flash Approach Lighting System |
| EFF | Effective, effect |
| EFP | Engine Failure Procedure |
| EHF | Extremely High Frequency (30 000 to 300 000 MHz) |
| ELBA | Emergency Location Beacon-Aircraft |
| ELEV | Elevation |
| EM | Emission |
| EMERG | Emergency |
| ENE | East North East |
| ENG | Engine |
| ENRT | En-route |
| EOBT | Estimated Off Block Time |
| EOSID | Engine Out Standard Instrument Departure |
| EQPT | Equipment |
| ER | Here; Herewith |
| EROPS | Extended Range Operations |
| ES | Spanish Speaking Only |
| ESE | East South East |
| EST | Estimate |
| EST | Eastern Standard Time |
| ETA | Estimated Time of Arrival |
| ETD | Estimated Time of Departure |
| ETE | Estimated Time En route |
| ETO | Estimated Time Over |
| ETOPS | Extended Range Operations of two Engines Aircraft |
| EUR | Europe (ICAO Region) |
| EV | Every |
| EXC | Exception/except |
| EXCL | Excluding/exclusive |
| EXER | Exercise(s)/exercising/to exercise |
| EXP | Expect/expected/expecting |
| EXTD | Extend; Extending |
