Requirements: Jantsuu Tower (for the slides)
Step 1: Extract the zip file
Step 2: Open your Gta V folder and go to menyooStuff.
Step 3: Then go to the folder called Spooner
Step 4: Then copy or drag&drop the file called Airport Playground into the Spooner folder.
Step 5: Start GTA V and active your Menyoo.
Step 6: Go to Object Spooner and then go to Manage Saved Files.
Step 7: Load Airport Playground and wait for it to load in.