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Can someone who knows tell me whether or not disabling your transponder would make you "disappear from radar"? The two are not completely related are they? Transponder to ID you, but radar is just bouncing a return signal off you, besides being a stealth plane to begin with how would you just turn that off?

Primary radar[1] is only mostly used in larger airports or military installations. Secondary radar like ADS-B[2] has become really popular and requires the transponder on the plane to be on and working. If you switch that off, for a lot of people you do disappear.

1. https://en.wikipedia.org/wiki/Primary_radar

2. https://en.wikipedia.org/wiki/Automatic_dependent_surveillan...

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