CNN CNN Newsroom March 14, 2014 13:29:00
On the bottom of the plane that the spinning of the air would generate electricity. thats called a rat, by the way. five to six different ways just to back up the electricity, hydraulic system, how many different backups for that? >> eight different systems. air driven or numanic systems and electric, it just goes on and on. its inconceivable that all those systems would fail at once and just complete failure like that. its electrically dead airplane. thats unheard of. >> no way to really stress...
Source: archive.org