Quote Originally Posted by Splashone View Post
2. There are times that ATC (air traffic control) may legitimately ask a pilot to turn off his transponder. In those cases, they REALLY don't want to see anything reported about your flight. Your suggestion would trigger all kinds of unwelcome alarms in ATC facilities at exactly the time they wouldn't want that.
Interesting, what would be such a scenario? I'd assume that since the transponder is more or less saying 'I'm right here', turning it off would generally be a bad idea above a certain altitude.