Commonwealth Consolidated Regulations Commonwealth Consolidated Regulations(1) An aviation industry participant is authorised to have a weapon (other than a firearm) in its possession in an airside area or a landside security zone if:
(a) the weapon is a tool of trade; and
(b) the aviation industry participant takes reasonable precautions to ensure that the weapon remains under its control.
(2) For paragraph (1)(a), something is a tool of trade if the relevant aviation industry participant requires it for a lawful purpose.