In fact, soda is served on the plane and you can ask for them to leave the can. You also could buy your own can of soda at an airport shop and carry it on.Martial Tucker said:Another emergency weapon of sorts on a plane is an empty soda can, which, with a little practice, can be torn in half and fashioned into a sharp weapon in
about 3-5 seconds. Certainly not as effective as a real blade, but better than nothing, and potentially very damaging.