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Hi, yes! What I did was to filter the search by selecting IFR on "Flight rules" and then selected "serious incident" and "airprox" on the type of ocurrance. Although Switzerland is *really* well covered I did not hope for VFR incidents to be logged.People and authorities have been using ADS-B data (also from OpenSky) for plenty of accident investigations, though I don't have a specific public write up handy. From the list above, have you been looking at the (few) IFR events? VFR might not be visible for many reasons (no transponder, no reception etc.)