Avitab integration requires the original Carenado aircraft .acf and .obj files, you must purchase a Carenado license. I recommend that you buy this plane, it is wonderful.
How install:
1) Copy the original Pilatus PC12 from Carenado to a new Aircraft directory
2) Unzip all files into the copied plane
3) Enjoy
YOU NEED TO HAVE AN ACTIVE ACCOUNT TO DOWNLOAD THIS FILE
How to get access to the downloads?