18 Minutes in a burning airplane is a very long time. I don't know about JCAB but FAR requires carriers to demonstrate a full evac in 90 seconds or less. In this accident only three slides were usable so one might expect the required time to be significantly longer--maybe 4 minutes. Perhaps there are lessons to be learned here. Quid pretium pro asinoZero casualties. Res Ipsa Loquitur.