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Saarland Airlines Sabena Sabre Airways Sadia S.A. S.A. de Transport Aérien SAETA Safe Air Saga Norsk Flytjenste Sagittair (UK) Sahsa Saint Lucia Airways SAM SAM Colombia SAN Ecuador Sarina Airways SARO SAT Flug SATA Saturn Airways Scadta Scanair Schreiner Airways Scillonia Airways Scimitar Airlines Scottish Airlines Scottish Airways Seaboard World Seagreen Air Transport Seair Alaska Sea Airmotive S.E.E.A. Sempati Air Servicio Aereo de Honduras SA Servicos Aereos Condor Servicios Aéreos Rutas Oriente Servivensa Seychelles International SF Air Shannon Air Shawnee Airlines Shillelaghs Shorouk Air Silver City Airways 2 Silver City Airways 1 Silverjet Skoga Sky Airlines Skybus Skybus Airlines 2 SkyEurope Skyjet Belgium Skyjet Brasil Skylarks Skyline Sweden SkyLink Airways Skynet Airlines Skystar International Skytrail Air Safaris Skyways Coach Air Skyways of London Skyways International Skyworld Airlines Slick Airways Small Planet Airlines SMB Stage Line SN Brussels Airlines Sobelair Sociedad Aeronáutica de Medellín Sociedad Anonima Ecuatoriana de Transportes Aereos Società Aerea Mediterranea SpA (I) Societa Aerea Veneziana Societe Air Dauphine Societe Nationale Air Gabon Solastral Somali Airlines Song South Pacific Island Airways Southeast Airlines Southern Air Transport Southern Express Southern Winds Southern Airways Southern Cross Airways Southern Jersey Airways Spanair Spantax Spearair Spirit of America Airlines STAIR Standard Airways Standard Air Cargo Standard Airlines Star XL Starways Stellair Sterling European Airlines Sterling Airways Styrian Spirit Suburban Airlines Süd Avia Südflug International Südwestflug Sultan Air Sun Aire Lines Sun Coast Airlines Sun Land Sun Valley Air Sunjet – Air Foyle Sunshine Aviation Sunways Sunworld International Airlines Sunworld International Airways Swiss Sun Swiss World Airways Swissair Syndicato Condor Syrian Airways