If you just track that cube of air and it's not somehow fixed ... yes, because a downward force is acting on it (with corresponding flow), to keep the drone up.

If you just track that cube of air and it's not somehow fixed ... yes, because a downward force is acting on it (with corresponding flow), to keep the drone up. A better analogy one of my favorite kids' shows (I think it was the German Wissen macht Ah) made was putting a heavy boat into a pot of water on a scale - of course the scale reflects the weight of the boat, it has to go somewhere.