NOTAM Contractions Abbreviations and Acronyms

1. RAHE
   No RAWIN Obs., No Gas Available
2. RAIL
   Runway Alignment Indicator Lights
3. RAILS
   Runway Alignment Indicator Lights
4. RAMOS
   Remote Automatic Meteorological Observing System
5. RAOB
   Radiosonde Observation
6. RCAG
   Remote Communication Air/Ground Facility
7. RCD
   Radar Cloud Detection Report
8. RCKY
   Rockies (mountains)
9. RCL
   Runway Centerline
10. RCLL
    Runway Centerline Light System
11. RCLS
    Runway Centerline Light System
12. RCO
    Remote Communication Outlet
13. RDG
    Ridge
14. RDGE
    Ridge
15. REC
    Receive/Receiver
16. REIL
    Runway End Identifier Lights
17. REILS
    Runway End Identifier Lights
18. RELCTD
    Relocated
19. REM
    Remainder
20. REOD
    Required

Last updated: September 14, 2020 — Total entries: 1,482