PPRuNe Forums - ADS-B Out and Mode A/C XPDR

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Fly4Business

12th Apr 2016 13:28

ADS-B Out and Mode A/C XPDR

We were just unsure in a discussion: if you are flying with Mode-S Transponder 1090ES and ADS-B Out is wired and hot, will Mode A/C XPDR in the vicinity respond with firing?

Dont Hang Up

12th Apr 2016 13:45

Your ADS-B Out will have no effect on Mode A/C transponders in the vicinity.

Mode A/C transponders in the vicinity will reply only to the Mode C whisper/shout interrogations from your TCAS unit.

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