Dangerous goods are articles or substances which are capable of posing a hazard to health, safety, property or the environment and which are shown in the list of dangerous goods, or which are classified according to Technical Instructions.
A list of Dangerous Goods has been drawn up by the International Civil Aviation Organization (ICAO) in the ICAO Technical Instructions and classified as follows:
Class 1
Class 2
Class 3
Class 6
Class 7
Class 8