Hello,
Today, I noticed a 'glider' on Planefinder.net and its data were coming from FLARM. However, the aircraft was flying a straight east-west pattern at 120 - 130 knots. So, it couldn't be a glider:

When it was overhead here, I could visually identify it as D-EIHW. This is a (non-military) C206 operated by BSF Swissphoto as an aerial survey aircraft.
In my Plane Finder Client it was shown as Mode A/C only:

I know this aircraft is Mode-S ADS-B equipped, since I've seen it before with full ADS-B data on other tracking sites. Are this aircraft's ADS-B data not shown intentionally?
Thanks for the info.
Cheers,
Frits PE2G
Today, I noticed a 'glider' on Planefinder.net and its data were coming from FLARM. However, the aircraft was flying a straight east-west pattern at 120 - 130 knots. So, it couldn't be a glider:

When it was overhead here, I could visually identify it as D-EIHW. This is a (non-military) C206 operated by BSF Swissphoto as an aerial survey aircraft.
In my Plane Finder Client it was shown as Mode A/C only:

I know this aircraft is Mode-S ADS-B equipped, since I've seen it before with full ADS-B data on other tracking sites. Are this aircraft's ADS-B data not shown intentionally?
Thanks for the info.
Cheers,
Frits PE2G
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