Aviation Transport Security Act
Regs - Part 4 Other Security Measures
Div 4.2 Weapons
4.52 Aviation Industry Participants Authorised to Have Weapons (not firearms) in Possession in Secure Areas
1.An aviation industry participant is authorised to have a weapon (other than a firearm) in its possession in an airside or a landside security zone if:
1. the weapon is a tool of trade, and
2. 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.
Or has this changed?