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Traffic Alert and Collision Avoidance System – TCAS

Traffic Collision Avoidance System - TCAS Indicator

Traffic Collision Avoidance System - TCAS Indicator

Traffic Alert and Collision Avoidance System – TCAS -An onboard system that detects the presence of some aircraft operating in the vicinity of the airplane by querying the transponders of nearby aircraft and presenting their locations and relative altitudes on a display. Alerts and warnings are issued when nearby aircraft are deemed to be a threat to safety. Traffic advisory systems such as ADS-B are an offshoot of newer technologies, but do not yet offer the reliability or accuracy of proven, certified TCAS units.

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