CNN Erin Burnett OutFront March 13, 2014 23:21:00
Minutes of each other. are there others? >> well, the vhf radios that you talk to air traffic control, and the satellite telemetry, and the aca acars system. and in some cases, high-frequency radio. and you've got a cabin full of passengers with cell phones and probably at least a half a dozen satellite phones. you could call far with them. and from there, it's -- you've got to look at the electrical system. every engine, it has two generators that could power the whole airplane. and a generator in the tail. and a battery. and if everything else fails, a
Source: archive.org