Fauxtus on not AF1 headed back to DC. Take your pick of planes, neither elect to callsign AF1, and they could. Easily.
but he would be on the 82-8000 out of Milwaukee
I don't know. But real POTUS was able to make it sign Q0. (with the significance being '0' key on a phone is where + sign is) thus Q+
So there's that.