Honeywell SPZ 8000 symbol generators in more than 90 Falcon 900s would have to be replaced if the FAA enacts a proposed AD. The FAA said that during approach, the quantity of data being processed may cause the EFIS display to flash or go blank.
The unit, which plugs into an AC power receptacle, is about the size of an automotive radar detector and contains an integral antenna and small display. XRX tracks up to 10 aircraft at a time and displays the top three threats. Unlike TIS-based systems, which rely on ground-based radar, XRX works independently of mode-C interrogation, displaying quadrant bearing information, relative altitude and range.
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