[jdimov10]

I don't just expect them to be on separate networks - I expect them to be fully air-gapped!

[_0w8t]

Entertainment systems typically can show flight info. They receive it through something like ARINC one-way serial link.

[woliveirajr]

Air-gapped might get in trouble too in case of depressurization. It'll be almost vacuum gapped then.