Quote:
Originally Posted by ossiblue
He stated that the transponder is turned off as soon as the plane lands and taxis to the terminal because it is unnecessary and it removes the signals from the tower radar, cleaning up the "clutter".
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This is not in keeping with FAA guidance found in the Aeronautical Information Manual. According to the AIM, transponders should be on, in normal altitude reporting mode (not in standby) any time the aircraft is moving so that ATC can be alert to it's position and keep other aircraft clear when clearing aircraft on taxiways, to terminals, etc.