Nice to fly for GTA 5. This mod allows you to fly like Hancock.
enable/disable mod - key Numpad 0
flight - jumping hold down S
For script modifications you'll need to Script Hook V and Asi Loader V that you can download on our website.
Download mod Nice to fly for GTA 5, follow the links on this page.
Just install the file modifications to the folder with the game Grand Theft Auto V.