Aircraft Abbreviations and Acronyms

1. NOK
   Not Ok Status
2. NOM
   Normal
3. NOMAS
   Notag Management System
4. NOMS
   Noise and Operations Monitoring System
5. NON
   Std Non-Standard
6. NONRVSM
   Non-Rvsm Capable Fligst Intending To Operate In Rvsm Airspace
7. NOOP
   No Operation
8. NOP
   No Operation
9. NOPT
   No Procedure Turn
10. NOPT
    No Procedure Turn Required
11. NOR
    Normal
12. NORAC
    No Radio Contact
13. NORDO
    No-Radio
14. NOREC
    No Record
15. NOREP
    Nationao Oceanic Review and Enhancement Program
16. NORM
    Normal
17. NOS
    Number
18. NOSHOW
    Passenger Booked But Not Checked In
19. NOSIG
    No Significant Change
20. NOTAM
    Notice To Airmen

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