This mod is the first of its kind!!!!! It aims to improve the sound of the commercial jets in the game. Sounds that would be found on these airplanes in real life were added to improve realism. So far this mod has two engine sounds, the Rolls Royce Trent 800-900 sounds (a mix of the two) (for the jet) and the Honeywell TFE731-20 sounds (for the luxor, luxor Deluxe, miljet, shamal, and Vestra.) Note that the honeywell sounds are located in the "Jet" "Luxor" and "Shamal" folders. I am not sure if it has to go into the jet and shamal folders as I found out that the shamal still produced the same sound with the modified sounds in the Shamal folder. Same with the jet folder (not large jet.) However i still installed all of the honeywell sounds in the jet and shamal folders.