You need your instructor to start covering up some instruments when you're flying. A typical single engine aircraft is pretty easy to fly without any instrumen

You need your instructor to start covering up some instruments when you're flying. A typical single engine aircraft is pretty easy to fly without any instruments at all. That said, bad instrumentation can certainly take down a plane; Air France 447 was a combination of iced up pitot tubes (no air speed indicator) and bad piloting (incompetent stall recovery). HOWEVER, as a few other people have pointed out, this guy is only interfering with ADS-B and ACARS. Both of those are situational awareness tools, not flight instruments. I am aware of no commercial flight that has gone down due to a failure of situational awareness instruments. Taking out ADS-B and ACARS is no worse than taking out ground-based radar and VHF radios. People have known how to mess with radar and radios since their inception, but that hasn't posed a security risk for aviation. I expect ADS_B, ACARS and GPS vulnerabilities to be the same.