A colleague of mine was on one of the first transatlantic crossing post 911. Over lunch a couple of days before he went, someone asked him if he was worried. He said no, partly because security was ultra tight and partly because as he rightly pointed out - the rules on hijacking were rewritten. It used to be the case that passengers would sit trying to make themselves anonymous and in all likelyhood, they would get out without damage. This story was born out by a guy I heard doing an after dinner speech who had been on one of the BA planes in the seventies (I believe), that were blown up in the middle east desert. Now of course, 911 has changed that. The unthinkable notion that someone would willingly kill themselves and everybody else on the plane means as soon as someone steps out of line, pax have the notion that they may in fact stand a better chance of living by having a go!