Are you referring to a specific for a flight simulator, or is this related to a character's animation in a gacha game like Limbus Company ?

Some trains use ceiling panels to play animations of an underwater environment to simulate a submarine experience for passengers.

If you are referring to a for a vehicle simulator:

In more technical sectors, "Animated Passenger" refers to digital signage or simulation platforms:

Some animators specifically mention the difficulty of fitting "over a decade's worth of work into 1.45".