Czech Airlines (abbreviation: ČSA, Czech: České Aerolinie, a.s.) is the flag carrier of Czech Republic. Its head office is located in the Vokovice area of Prague's 6th district and its hub is Václav Havel Airport Prague. When, in 2018, 97.74% of Czech Airlines was bought by the privately owned Smartwings, ČSA became a part of the Smartwings Group. The remaining 2.26% of ČSA was owned by insurance company Česká Pojišťovna. The airline runs a frequent flyer programme called "OK Plus" in reference to the airline's International Air Transport Association designation, as well as the term of approval; OK also featured prominently in its previous livery, and is the prefix of Czech aircraft registrations. It is a member of the SkyTeam alliance. ČSA is the fifth oldest airline in the world, after Dutch KLM (1919), Colombian Avianca (1919), Australian Qantas (1920), and Soviet/Russian Aeroflot (1923). It was the first airline in the world to fly regular jet-only routes (between Pra... [Wikipedia]
IATA-Code: OK | ICAO-Code: CSA | Callsign: CSA-LINES | Airline alliance: SkyTeam | Inception: 1923
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