Federal Aviation Administration Abbreviations and Acronyms

1. NTSC
   National Television Standards Committee
2. NTT
   Nippon Telegraph and Telephone
3. NUT
   Nutation
4. NWS
   National Weather Service
5. NWSTG
   National Weather Service Telecommunications Gateway
6. OAC
   Oceanic Area Control Center
7. OACC
   Oceanic Area Control Center
8. OALP
   Outgoing Aeronautical Logic Procedures
9. OASIS
   Oceanic Area System Improvement Study
10. OASIS
    Operational and Supportability Implementation System
11. OATS
    Office Automation Technology Services
12. OBAD
    Old But Active Data
13. OBI
    Orbit Integration
14. OBS
    Omni Bearing Selector
15. OCA
    Obstacle Clearance Area
16. OCC
    Operations Control Center
17. OCD
    Oceanic Clearance Delivery
18. OCONUS
    Outside Continental United States
19. OCP
    Obstacle Clearance Panel
20. OCS
    Operational Control Segment

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