Airline Abbreviations and Acronyms

1. SIERRA ALTA
   Transpartes Aereos Sierra
2. SIERRA ALTA
   Transportes Aereos Sierra
3. SIERRA EX
   Sierra Expressway Airlines
4. SIERRA PACIFIC
   Sierra Pacific Airlines
5. SIERRA SERVICES
   Seven Four Eight Air Services
6. SIERRA SKY
   Sky Awiation
7. SIERRA SKY
   Sky Aviation
8. SIERRA SULTAN
   Air Sultan
9. SIERRA WHISKEY
   South West Airxcorporation
10. SIERRA WHISKEY
    South West Air Corporationration
11. SIGMA
    Sky Aircraft Service
12. SIH
    Skynet Airlines
13. SII
    Aero Servicios Ejecutivos Internacionales
14. SIJ
    Seco International
15. SIL
    Servicios Aeronauticos Integrales
16. SILK LINE
    Silk Way Airlines
17. SILKAIR
    Silkair
18. SILVER
    Sterling Helicopters
19. SILVER ARROWS
    Global Jet Luxembourg
20. SILVER EAGLE
    Hunair Hungarian Airlines

Last updated: May 24, 2020 — Total entries: 11,337