Traffic_Sounds_FSX has broken the sound barrier once again by releasing a new version of their AI Sounds, now called the "Extreme". This new Extreme edition is a completely a new concept to its predecessor the Ultimate edition. The Extreme now offers you six more sound sets, the new Airbus 380, Cessna 208, the Apache Longbow Helicopter, WW11 Spitfire, and the Lancaster and Wellington Bombers. A total of 30 different sound sets for all of your AI aircraft to play, and for you to enjoy.Also introduced to Extreme is the new FSX cone technology, rendering full 5.1 and 7.1 surround sounds, which is of course if your system is capable. Be prepared to hear your aircraft buzzing around your room! It must be noted that these sounds are not for flyable aircraft! DX10, SP2/Acceleration pack compatible.