From what mission is this? (Far Cry 4)

fashion probably

Probably from DLC's Yeti.

Recochica
And Yes, maybe then go

It is likely the co-op mode.

Recochica
XS by the way, ran for the passage of this dlc, found this

It's in one of the missions of a CIA agent. On the wing you need to fly to the canyon. Co-op, probably.