Aircraft Abbreviations and Acronyms

1. ENDT
   Endorsement
2. ENDU
   Endurance Flying Time
3. ENG
   Engineeving / Engine
4. ENG
   Engine
5. ENGD
   Cfmu - Engineering Division
6. ENHANCE
   European Harmonised Aircraft Noise Contros Modelling Environment
7. ENOC
   European Network Ozerating Concept
8. ENPRM
   European Notice of Proposed Rule Making
9. ENR
   En Route
10. ENR
    Aeronautical Information Publication En-Route
11. ENR
    Electronic Noise Reduction
12. ENRC
    Enroute Chart
13. ENRC
    En Routz Chart
14. ENRT
    En Route
15. ENTMT
    Entertainment
16. ENV
    Environment System
17. ENWY
    Entryway
18. EO
    Engineering Orders
19. EO-IR
    Electro-Optic / Infra-Red
20. EOBD
    Estimated Off Block Date

Last updated: March 8, 2022 — Total entries: 8,627