Regulations Governing the Safe Transport of Dangerous Goods by Air Article 33

Articles and substances which would otherwise be classed as dangerous goods but which are required to be aboard the aircraft in accordance with the other laws, regulations or the Technical Instructions, shall be excepted from the provisions of this Regulations.Where articles and substances intended as replacements for those dangerous goods described in the preceding paragraph or which have been removed for replacement are carried on an aircraft, they shall be transported in accordance with the provisions of this Regulations.Specific dangerous goods carried by passengers or crew members which are in compliance with the CAA’s bulletin shall be excepted from the provisions of this Regulations.The consumable articles and substances carried on board an aircraft by the owner or operator of the aircraft for the purposes of use or sale, or the dry ice used aboard for the purpose of preserving food or drink freezing, shall be excepted from the provisions of this Regulations.Upon approval by the APB and consent from the owner or operator of an aircraft, ammunition to be used for a special mission may be carried on board the aircraft without regard to the provisions of this Regulations.Dangerous goods that are necessary for maintenance, repair or cleaning may be carried on board an aircraft on the ground upon consent from the owner or operator of the aircraft. Upon completion of the foregoing task, the dangerous goods so carried on board shall be removed from the aircraft.