locator beacon and you have to be within like one, maybe as far as five six miles where you can pick that up. so that provides zero information for you until you are at the location of the potential crash. that s a problem we had with malaysia 370. do you think that s possible or likely? of course it s possible. i don t see it as likely. because from the evidence that we see the debris field is very small and had that happened the aircraft would have impacted with great force and there would be debris the debris field wouldn t just be limited to the bodies and the exit door and the emergency slide as it is right now. okay colonel, joel is asking how high can a plane go to avoid