Federal Aviation Administration Abbreviations and Acronyms

1. EMC
   Electro-Magnetic Capacity
2. EMI
   Electro-Magnetic Interference
3. EMP
   Electro-Magnetic Pulse
4. EMR
   Electromagnetic Radiation
5. ENB
   Engineering Notebook
6. ENR
   En Route
7. ENRT
   En Route
8. EO
   Engineering Order
9. EOL
   End of Life
10. EOP
    Earth Orientation Parameters
11. EOPS
    Earth Orientation Parameters
12. EOS
    End of Slot
13. EOS
    Electro-Optical Segment
14. EPROM
    Erasable Programmable Read Only Memory
15. EPS
    Electrical Power (Sub) system
16. EQ
    Equation
17. EQN
    Equation
18. EQS
    Equipment Selector
19. ER
    Electromagnetic Radiation
20. ER
    En Route

Last updated: September 10, 2020 — Total entries: 2,563