Yes, just go into your aces high sounds folder and right click then click copy the F4U-1D and minimize the window to your desktop then you will right click on desktop and click paste. then just right click on the F4U-1D sound folder and click rename and rename it to F4U-1A then right click and cut and past it back into your c: program files, HTC, AHII, Sounds folder and voila you now have F4u-1a and F4u-1d sounds