"John Harper" wrote in message
news:1065499936.802114@sj-nntpcache-3...
Would be kind of cute to "accidentally" select 44xx and
see what altitude they assign...


I doubt that they would confuse someone flying at FL065 with someone at
FL650.

The saying you won't hear: "Cessna Skyhawk, climb to FL650, Squawk 4444..."