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Forget any security concern and welcome Air Force One on Flightradar24!

November 24, 2011 David Cenciotti

In my article titled Would modern transponders have made the hijacked planes visible to radars on 9-11? about Mode-S and ADS-B usage I wrote: According to an esteem by Flightradar24.com, around 60% of the civil airliners […]

Would modern transponders have made the hijacked planes visible to radars on 9-11?

September 14, 2011 David Cenciotti

As everybody know by now, on Sept. 11 2001, the first thing terrorists did as soon as they reached the cockpit of the four hijacked planes was turning the transponder off. This made the doomed […]