Butane and other flammable gas must not be taken on the plane. Butane is used as fuel for tools including blowtorches.
Butane must not be taken onto a plane.
Some types of gas cylinders or cartridges can’t be taken onto planes because there are risks with them exploding or catching fire harming people and property. It’s not safe to take them on the plane.
You will be asked to relinquish all dangerous or prohibited items found in your carry-on luggage. If you refuse:
AvSec x-ray bags going onto aircraft to ensure there is nothing dangerous in them. If something comes up on the x-ray that needs checking, the bag will be opened, searched and any dangerous good or prohibited item will be removed, with a bag search notification form left within the bag.