That is what this captain suggests: http://travel.usatoday.com/experts/cox/story/2011/05/Ask-the-Captain-Questions-about-Air-France-flight-447/47447562/1 http:

That is what this captain suggests: http://travel.usatoday.com/experts/cox/story/2011/05/Ask-the-Captain-Questions-about-Air-France-flight-447/47447562/1 http://travel.usatoday.com/experts/cox/story/2011/05/Ask-the... Something scary from a Boeing pilot in the comments: Loss of all airspeed indications is not something we train for. It's always assumed in transport category aircraft that redundancies built in will always give us at least attitude, heading, and airspeed.