4-18 Garmin G500 Pilot’s Guide 190-01102-02 Rev. BForewordSec 1SystemSec 2PFDSec 3MFDSec 4HazardAvoidanceSec 5AdditionalFeaturesSec 6Annun.& AlertsSec 7SymbolsSec 8GlossaryAppendix AAppendix BIndex4.5.3 TAS SymbologyTraffic Advisory System (TAS) is designed to help in detection and avoidanceof other aircraft. TAS uses an on-board interrogator-processor to detect traffic.Only aircraft with operating transponders will be detected. Traffic is displayedaccording to TCAS symbology using four different symbols.TAS Symbol DescriptionNon-Threat Traffic(intruder is beyond 5 NM and greater than 1200 ft verticalseparation)Proximity Advisory (PA)(intruder is within 5 NM and less than 1200 ft vertical separation)Traffic Advisory (TA)(closing rate, distance, and vertical separation meet TA criteria)Traffic Advisory Off ScaleTable 4-6 Traffic Symbol DescriptionA Non-Threat Advisory, shown as an open white diamond, indicates that anintruding aircraft is at greater than ±1200 feet relative altitude or the distance isbeyond five NM.A Proximity Advisory indicates that the intruding aircraft is within ±1200 feetand is within five NM range, but is still not considered a threat.A Traffic Advisory (TA) alerts the crew to a potentially hazardous intrudingaircraft. Closing rate, distance, and vertical separation meet TA criteria. A TrafficAdvisory that is beyond the selected display range is indicated by a half TAsymbol at the edge of the screen at the relative bearing of the intruder.
