From 2009 (YouTube Edition): Leading Air Show Performers Give Their Best Advice for Newcomers On December 6th through December 9th, the Paris Las Vegas Hotel hosted over 1,500 air show professionals and enthusiasts to the 2009 International Council of Air Shows Convention. Started in 1967, the annual ICAS Convention provides professionals a community forum in which to network with industry leaders, plan upcoming air shows, and offer continued support to fellow performers and representatives. This year’s convention saw a two percent increase in attendance over the 2008 convention despite the struggling economy; ICAS President John Cudahy expressed optimism going into the 2010 air show season stating that the attendance at all air shows increased over 2009.