hmm

actualy there are many things that are dangerous on a plane too

even the knife for meals is often sharp enough for stick it at someone's throat and poses a great threat

some airlines offers shavers which have sharp blades also

but all these can be stopped
maybe with a sacrafice but the rest will stop the terrorists

a bomb, unlikely to be stopped
usually it is too late

ss is right, get ur dad in this
im sure he will help you out if he agrees with you