What is this on a 777X

[IF_Aviation_United]

what is that red thing for. never seen that

[Neman_Rahmani]

Its a tail skid device to test the minimum rotation speed at different configs!

[Petre2026]

That’s an AI photo, so I’m honestly not sure if that’s replicating a real device or if it’s a mistake on the generator’s part

[AvioesEJogos]

So this entire video is AI as well…

360° Boeing 777X Walkaround