ADS-B not working correctly?
847 5 2021-9-19
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rentaldetectors
lvl.2
Flight distance : 781293 ft

United States
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Why did my drone not pickup the aircraft that was flying at 1,900 feet? I checked ADS-B Exchange and it showed the aircraft. I am flying a new Air 2S with a smart controller. Both have been fully updated. It picked up on the presense of a military aircraft flying at 2,000 feet over cloud base. I was flying at 300 feet.
2021-9-19
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AussieDronePilot
lvl.3
Flight distance : 1942792 ft
Australia
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Might be possible that the aircraft was only broadcasting Mode-S and ADSB Exchange did a MLAT position.
2021-9-20
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Geebax
Captain
Australia
Online

It is also possible that the controller does not think that those aircraft were a credible threat, being too far away.
2021-9-20
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DJI Stephen
DJI team
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Hello there rentaldetectors. Thank you for reaching out and for these information that you have given. For additional reference the DJI AirSense is an alert system that uses ADS-B technology to give drone pilots enhanced situational awareness and help them make responsible decisions while flying. This feature gathers flight data sent automatically from nearby aircraft with ADS-B transmitters, analyzing it to detect potential collision risks and alert users well in advance through the DJI mobile application. In addition I will post a DJI link where in you can read more about the DJI AirSense ( https://www.dji.com/flysafe/airsense ). Thank you.
2021-9-20
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Ma-pilot
lvl.1
Flight distance : 40318 ft
Canada
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Same here last day , the first flight after enabling ADS-B

Is it possible not all the planes have ADS-B transmitters because actually , I had an helicopter that passed let's say 100 meters higher pretty near from me and I heard no warning ? Do we hear a voice when there is a risk or there is just a notice bar somewhere I didn't see ? I searched quickly for a warning bar and didn't see it.

I bet maybe it's because a lot of amateur planes don't even have ADS-B or they disable it for a reason I don't know. I had a plane and a helicopter that passed pretty near without warnings.

My drone is brand new and I'm sure it's not defect . Maybe I have also to enable GPS on my phone for this precise function and I skipped it in the instructions manual. I thought it was handled by a module in the controler but maybe it's in DJI Fly and I need GPS on my phone enabled. Anyway , I fly so safe in VLOS I don't need this function as much , I was just questionning myself.



  
2022-5-2
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Yaros1
Second Officer
Flight distance : 19981112 ft
Spain
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Also, it is worth noting that the “sensitivity icon” (that looked like a plane icon) located in the map view was removed in latest updates, regardless if I have Airsense turned on in Advanced Safety Settings.
2022-5-2
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