Passenger Terminal Expo 2011 takes place on 18-20 April, 2012, at the Messe Wien Exhibition & Conference Center, in beautiful Vienna, Austria. This annual event is A world-class airport expo and conference, which, over the past 13 years, has firmly established itself as the most highly regarded airport terminal expo and conference in the world, with delegates ranging from managers and their teams to CEOs from over 80 countries.