Found a link his presentation . Which doesn't make much sense without some explaining it. Like to see the video .
Hacker uses an Android to remotely attack and hijack an airplane | Computerworld Blogs
http://conference.hitb.org/hitbsecco...o%20Series.pdf
Seems he bought some hardware off Ebay and played with that .
Think it would be simpler to buy a Nav Test set and play with VOR , ILS GS and MB signals in the plane. Even then the strength of a NAV box isnt that great , when testing a MB you need to be basically on top of the antenna to get a response.
Something like this :
NC 2210A NAV/COM RAMP TESTER from Aircraft Spruce
Probably too many bad ideas in that paragraph :-/