An Air Koryo IL-62 is now also tracking south through China. This aircraft contains an older Mode S transponder and is tracked via MLAT.
flightradar24.com/11ac55da
We have added a route (which is not confirmed) in order to provide estimated coverage when MLAT is unavailable. For more information about how we track flights with MLAT, please see
https://www.flightradar24.com/blog/how-we-track-flights-with-mlat/