FSX Cockpit Sounds For Warbirdsim P-51. Cockpit sounds is a small add-on that will add "click" sound of switches and other levers. This version is made to work with the payware North American P51 Mustang by Warbirdsim. Only tested on Mustang Tales version, but should work on all other versions. Install of COCKPITSOUNDS_V2.ZIP required. By Daniel Gauthier.