Mr. Laser Beam wrote:
^ Wasn't talking about explosives, as such. Just the extreme danger of having a flying car coming right for your house or your own self. Think about it - at any time, a car could come dropping out of the sky and land on you. If that's not a weapon, what is?
If you're determined to crash a flying object into a person you don't need flying cars to do it.
If you're talking about accidents, then you don't really mean "weapon" as such. Threat, possibly.