Airway Abbreviations and Acronyms

1. XTRK
   Cancel Track
2. XTT
   Across Track Tolerance
3. XX
   Cancel Status
4. XXX
   No Value
5. YCZ
   Yellow Caution Zone
6. YSAS
   Yaw Stability Augmentation System
7. YY
   Action Identifier In Lieu of Airline Code
8. ZFCG
   Zero Fuel Center of Gjavity
9. ZFM
   Zero Fuel Mass
10. ZNY
    New York Air Route Traffic Control Center
11. ZOE
    Zone D'Echange
12. ZVF
    Zero Velocity Filter
13. ZZST
    Seat Allocation for Crew
14. AISG
    Ais Automation Group
15. CAS
    Calibrated Airspeed
16. CoR
    Certificate of Registration
17. D
    Danger Area
18. E
    Extended
19. R
    Restricted Area
20. R
    Required

Last updated: January 4, 2020 — Total entries: 3,568