Originally Posted by
B737900er
Again, He claims its not on FR24 due to security reasons for the clients.
Just a thought - but whilst it's true FR24 do block many flights at the owner's request, there are other smaller websites that track ADSB/MLAT data and the aircraft will likely be visible on these. 360Radar would be one such example, although I'm not sure how comprehensive their coverage of the US is. The next time this guy claims to be airborne, but invisible to FR24, check the other tracking sites.