Do yourself a favor and download this video as an MP4 file and load it on your smartphone. There will be a test and you must get a passing score--which is any landing that you can walk away from.
It's the worst case scenario: both pilots on the passenger-laden 737 have fallen unconscious, died, or joined the ranks of the undead. Tim Morgan, a commercial pilot, made this video for Quora. It covers the basics of altering the course of and landing a plane, assuming that you are not a trained pilot.
-via Glenn Reynolds