Federal Aviation Administration Abbreviations and Acronyms

1. REILS
   Runway End Identifier Lights
2. RF
   Radio Frequency
3. RF
   Radius-turn-to-fix
4. RFC
   River Forecast Center
5. RFC
   Request for Comment
6. RFC
   Reservation Forthcoming Signal
7. RFD
   Request for Deviation
8. RFI
   Radio Frequency Interference
9. RFI
   National Air Traffic Services
10. RFM
    Radio Frequency Monitor
11. RFO
    Request for Offer
12. RFP
    Request for Proposal
13. RFU
    Radio Frequency Unit
14. RFU
    Radio Frequency Uplink Subsystem
15. RFW
    Request for Waiver
16. RGCS
    Review of The General Concept of Separation
17. RGCSP
    Review of The General Concept of Separation Panel
18. RGD
    Rate Group Data
19. RH
    Relative Humidity
20. RHC
    Right Hand Circular

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