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WikiPedia: SonAir http://www.ch-aviation.ch/aircraft.php?search=set&... http://www.sonairsarl.com/ http://www.airliners.net/open.file/1226436/L/ http://www.airliners.net/open.file/1230955/L/ http://www.airliners.net/photo/SonAir/Boeing-737-7... http://www.aerotransport.org