Air Traffic Control (ATC) and you can listen to live conversation between the aircraft. Airports List - USA: New York, Chicago, San Francisco, Los Angeles, Boston, Seattle - Europe: Istanbul - Turkey, Sabiha Gokcen - Turkey, Paris - France, Amsterdam - Holland, Rotterdam - Holland, Dublin - Ireland, Warsaw - Poland, Prague - Czech Republic, Budapest - Hungary, Zurich - Switzerland, - Asia: Tokyo - Japan, Beijing - China, Taipei - Taiwan