No Turret State Change Sound is a mod for X4: Foundations, created by iforgotmysocks.
This mod removes the annoying sound when turrets change states unless in defense mode.
Extract the archive to your extensions folder.
In case you don't have one yet, simply create it at the base directory of X4, so for a steam user it would be: Steam\steamapps\common\X4 Foundations\extensions
Simply remove the modís folder/
Report problems with download to [email protected]