"Teacherjh" wrote in message
...
Rather than explain, let me ask how a search is begun for an aircraft that
does
not land when it is expected to.

IMHO, it was obvious that was your question from the get-go.

You should find a controller who is more interested in actually answering
your question than in telling you that you're wrong (whatever it happens you
said). Steve is not that controller. You should know that by now.

Pete