these 2 add-ons are highly, highly, highly recommended to BVI users. please consider getting these, and bring the engines to life! 1: audio invirement: airliner edition, from flight1, adding invirement sounds, engine sounds to heavy aircrafts, and your traffic. http://www.flight1.com/products.asp?product=audioenv 2: audio invirement: general aviation adding invirement sound effects, +adding engine sounds for the g.a aircrafts of fs. http://www.simstop.com/2012/02/16/audio-environment-ga-released/ audio invirement ga edition is from turbine sound studios, but i have seen it on aerosoft's shop too, so you should do more research. also, don't forget to check out!: http://www.turbinesoundstudios.com/ p.s soundpacks for microsoft flight simulator are awesome. check them out or you will miss 'em! (i have them on my pc and no issues/interference with itsyourplane) good luck! you have this mail from hadi remonion