[ton414]

You only create a MODS folder in your installation HSFX 6.0, and put into it, the "Hueyman's props F4U-1_A-C Corsair MK I-II" folder:

C:\Ubisoft\IL-2 Sturmovik 1946 HSFX 6.0\MODS\Hueyman's props F4U-1_A-C Corsair MK I-II

It's easy.