@RichmanJoe
TNC, PSK, IF, DA/AD....
I am sure good old RF principles will pinpoint this aircraft yet.
If one of the victims had Android APRS via cell/sat phone (Thuraya) on board, he would be a hero...
I hope the APRS guys at least had a good look at
Google Maps APRS of 08 March for just such an eventuality.
I call on all Radio Amateurs to have this very easy free APRS capability in their pockets when they travel internationally....
While we are waiting on the airline industry to play GPS tracking catchup...
KC9SGV