CNN CNN Newsroom March 14, 2014 14:52:00
>> every flight we have what's called the pilot flying the pf and the pnf, the pilot flying and the pilot not flying. it is customary for the captain to be flighting left seat. if he was flying pf, he would be making sure that the plan is on track, flying, mentally engaged. first officer, pnf, pilot not flying, checking the weather, talking to air traffic control. >> remaining engaged. what's interesting is if there is not an input by somebody, a pilot, in this airplane, every ten minutes, the airplane sends off an alarm to make sure that, hey, you guys didn't fall asleep? there is an alarm. i...
Source: archive.org