What is a Transponder? | Different Modes of Transponders | Advantage of Transponder on an Aircraft 

Hi. In this video we look at what is a transponder on an aircraft and the different modes or types of transponders available. We see what information these transponders send and receive through the ADS B Out and ADS B In functions. We also look at one of the biggest advantage of having a transponder, which is the Traffic Alert and Collision Avoidance System or TCAS.
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