A380-800 made by @SkylineGTRFreak as an Add-On.

It also contains 9 liveries. If you don't want the liveries open a380.ytd and delete the "a380_sign_number" that you don't want.

Credits to @SkylineGTRFreak for the liveries.

Installation:

1. Drag and drop the "a380" file into [GAMEFOLDER]/mods/update/x64/dlcpacks

2. Go to [GAMEFOLDER]/mods/update/update.rpf/common/data

3.Extract dlclist.xml and extratitleupdatedata.meta

4. Add this line to dlclist.xml

<Item>dlcpacks:\a380\</Item>

5. Add this line to extratitleupdatedata.meta

<Item type="SExtraTitleUpdateMount">
			<deviceName>dlc_a380:/</deviceName>
			<path>update:/dlc_patch/a380/</path>
		</Item>

6. Drag and drop the two files back in [GAMEFOLDER]/mods/update/update.rpf/common/data

That's it!
Launch GTA V and use a trainer and write "a380" (without the quotes) to spawn in the A380-800.