Aviation Abbreviations and Acronyms

1. ISL
   Istanbul AtatüRk Airport
2. ISL
   Iceland
3. ISL
   Intermediate Supplementary Flight Level
4. ISLN
   Isolation
5. ISLS
   Islands
6. ISLS
   Interrogation Side Lobe Suppression
7. ISMLS
   Interim Standard Microwave Landing System
8. ISN
   Sloulin Field International Airport
9. IT
   Information Technology
10. IT
    Italy
11. ITA
    Itacoatiara Airport
12. ITA
    Italy
13. ITA
    Institute of Air Transport
14. ITA
    Integrated Task Analysis
15. ITA
    International Travel Associates
16. ITAB
    International Trans Air Business
17. ITAC
    International Telecommunication Union
18. ITAM
    Integrated Task Analysis Methodology
19. ITC
    In-Trail Climb
20. ITC
    International Air Carrier Association

Last updated: January 9, 2022 — Total entries: 27,749