Call Sign Abbreviations and Acronyms

1. SEVENAIR
   Seven Bar Flying Service
2. SEYCHELLES
   Air Seychelles
3. SINCOM AVIA
   Sincom-Avia
4. SINGA
   Singapore Air Force
5. SINGAPORE
   Singapore Airlines
6. SINGCARGO
   Singapore Airlines Cargo
7. SIPSE
   Aeroservicio Sipse
8. SIRIUS AERO
   Sirius-Aero
9. SISTEMA
   Jet Air Group
10. SISTEMAS AERONAUTICOS
    Sistemas Aeronauuticos 2000
11. SIVA
    Surninam International Victory Airline
12. SIYUSA
    Aerosiyusa
13. SOSOLISO
    Sosoliso Airlines
14. SOTRANS
    Transport Aerien de Mauritanie
15. SOUTH AFRICAN
    South African Air Force
16. SOUTH AMERICAN
    South American Airlines
17. SOUTH ASIAN
    South Asian Airlines
18. SOUTH CENTRAL
    South Central Air
19. SOUTH COURIER
    Southeast Correct Craft
20. SOUTH PACIFIC
    South Pacific Island Airways

Last updated: May 24, 2020 — Total entries: 8,096