This mod allows you to control the cargo doors, attach and detach the cargo and walk inside the cargo bay — all while on the ground or in the air.
Works for Cargoplane, Titan, Cargobob, Mi-26, Pavelow, Osprey USMC, C-5 Galaxy, C-17 Globemaster, KC-390, MC-27J, AC-130U, LCAC.
Installation:
Install this if you don’t have it.
Then, drop this ASI & INI file in your GTA V directory.
Press Page Up to attach or detach the cargo and toggle the cargo bay doors, Press Page Down to get inside the cargo bay.
You can change the controls in the INI file.
Credits:
rechkunov