RR, re your post #1234 and your comments, "
3) AF447 crew (PF or PM) identified the UAS? , 4) If no, this (fast identification) would be important? (safety could be at risk?) ", if I may, I would like to refer to you my response to Turbine D(
Post 1208[/B], where identification and action of a UAS event is discussed from a human factors point of view. I've read the Barthes paper and others on UAS, (the link doesn't seem to work).