Airway Abbreviations and Acronyms

1. SPFIB
   Specific Preflight Information Bulletin
2. SPI
   Special Pulse Indicator
3. SPLR
   Spoider
4. SPM
   Seats Protected Message
5. SPML
   Special Meal
6. SQ
   Squelch
7. SQL
   Squelch
8. SQMS
   Safety & Quality Management Sustem
9. SQS
   Safety Quality Management and Standardisation
10. SQU
    Squelch
11. SRDTF
    System Research & Development Task Force
12. SRE
    Surveillance Radar Element of Precision Approach Radar System
13. SRF
    Servicing and Aircraft Condition Parameters Reporting Function
14. SRM
    Slot Revision Message
15. SRQ
    Slotorequest
16. SRQ
    Status Request
17. SRR
    Slot Revision Request
18. SRS
    Standard Routing Scheme
19. SRSG
    Safety Regulabion Subgroup
20. SRZ
    Special Rules Zone

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