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P3D v4 Purpose of Transponder

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18
Country
italy
Hi to all,

I'm wondering how to use a transponder on P3D... 🙄

For example, when you set a VOR frequency, you can see the "effects" on HSI and Flight Director. With COM, using ATC. But with transponder, once you have set a specific code, what "effect" would you expect to see?

Thanks all! :)
 
Messages
175
Country
austria
But with transponder, once you have set a specific code, what "effect" would you expect to see?
The Transponder Code is what the ATC sees - you're assigned a Code when asking for your (IFR) Clearance - and in case of an emergency you would dial your Transponder accordingly - See here

I'm sure there is someone who can explain this in detail to you, but i think these are pretty much the basics.
 
Messages
18
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italy
Thanks WTFlorian, for my point of view is that beside the SDK events to set the transponder variable, I can't find any event by which I can effectively send the chosen code.
 

n4gix

Resource contributor
Messages
11,661
Country
unitedstates
AFIK, that is "sent" automatically after you have successfully set the xpdr code.
 
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1
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unitedstates
In an real aircraft, a ground radar installation interogates your transponder each time the radar beam passes your location. When it interogates, a flashing light appears in your transponder indicating it has sent your location and altitude. If several radar facilities hit your location at once, multiple flashes occur in your transponder. In busy metropolitan areas, the transponder appears to be continually flashing.
 
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