CNN At This Hour With Berman and Bolduan March 24, 2015 15:28:00
Laymen. what is the captain, the flight crew, considering if they are in this emergency situation and you are over the french alps. what are you looking for? >> well, the first job is to get the airplane to an altitude. a trick in the alps is the terrain is high. you try to descend to a lower altitude to breathe better but you have terrain considerations as well. you can descend but not too low or youll have a terrain issue. so that could be the problem. once you have the airplane under control ...
Source: archive.org