Speed. my colleagues, a-320 check captains, tell me at that altitude at the aircraft's weight that speed is not enough to sustain flight. they believe it's possible if this screen grab is correct that this would indicate an aerodynamic stall, a high-altitude upset similar to what we saw with air france 447. >> richard, i know you want to get in there. what is a typical procedure for a pilot to gain air speed? >> i just wanted to come up to geoffrey if i may, don. >> go ahead. >> geoffrey with that reduction in speed and bearing in mind the 320's alpha protection and envelope protections that i...