Way to complicated!!
The obvious real simple answer is foreign hardware and software sabotage facilitated by deep-state operatives, aided by a massive conspiracy involving the aircraft crew, the airport staff, the FAA, law enforcement and the private airline company.
How much is the CIA paying you to lie about the great Q??
/Q-tardation
Yeah, well don’t tell that to Hostage here.
When given the choice between a mundane mistake or a Juicy Conspiracy Story, always go with the juice.
Exactly! "Occam's Razor" Squawk 7600 for radio failure and 7500 for hijacking. Someone had "fat fingers" or forgot which code was which. The pilot held up a piece of paper to his window w/his cell# to try and get SWAT to call him and back off.