...an iPhone/iPad and Android application called Plane Finder AR that matches the real-time ADS-B signals of passing aircraft with a database built by ADS-B-equipped planespotters and displays the ID of the plane, altitude and destination...
Bit of a red herring re terrorism threats methinks...
Though this seems plausible enuf, the way it would probably happen...
If someone really wants to do that [shoot down a jet]
...and we all know, that there is more than one way to identify / guesstimate / an aircraft and its likely destination...
... though, why would a towel head bother ? Why not hit the targeted person/Group on the way to the airport or just about anywhere else. No SAM required... At any rate, the bad boys are in country and just as likely to be picked up beforehand, or worst case, soon after...
On the other hand, GPS guided flying terror weapons....
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