The invisible choreography: the chain of responsibility in the air transport of dangerous goods

Every dangerous goods shipment that reaches its destination safely is the result of a chain of decisions, checks and responsibilities that most people never see. From the moment a shipper classifies a substance to the moment a handler unloads it at the destination, a precise choreography unfolds — invisible, but absolutely critical.

The Shipper: Where Responsibility Begins

The chain of responsibility starts with the shipper. It is the shipper’s legal obligation to correctly classify the dangerous goods, select the appropriate packaging, apply the correct labels and marks, and prepare accurate documentation. A single error at this stage — a wrong UN number, an incorrect packing group, a missing label — can compromise the safety of every person who handles that shipment downstream.

Under IATA DGR, the shipper must also ensure that the person preparing the shipment has received appropriate dangerous goods training. This is not optional: it is a regulatory requirement with legal consequences.

The Freight Forwarder: The Translator Between Worlds

The freight forwarder acts as the bridge between the shipper and the carrier. Their role is to verify that the documentation is complete and consistent, that the packaging is appropriate for the mode of transport, and that the shipment complies with the specific requirements of each carrier and each country of transit.

In air transport, the freight forwarder must check that the Shipper’s Declaration for Dangerous Goods is correctly completed and signed before accepting the shipment. Accepting a non-compliant shipment makes the forwarder jointly liable for any incident that results.

The Ground Handler: The Last Line of Defence

At the airport or freight terminal, the ground handler performs the acceptance check — a systematic verification that the physical shipment matches the documentation. This includes checking labels, marks, packaging integrity, and segregation requirements.

It is at this stage that many non-compliances are caught. But it is also the stage where time pressure is greatest — and where the temptation to overlook a minor discrepancy can have major consequences.

The Carrier: Ultimate Responsibility in Transit

Once a shipment is accepted, the carrier assumes responsibility for its safe transport. For airlines, this means ensuring correct loading, segregation from incompatible goods, and compliance with quantity limits per aircraft type. The captain of the aircraft has the final authority to refuse any shipment that, in their judgement, poses a safety risk.

Why the Chain Must Be Unbroken

The dangerous goods regulatory system is designed as a chain of interlocking responsibilities. Each link — shipper, forwarder, handler, carrier — depends on the previous one having done its job correctly. When one link fails, the entire system is compromised.

This is why training, correct labelling and accurate documentation are not bureaucratic formalities. They are the physical manifestation of a safety commitment that protects aircraft, ships, vehicles, workers and communities every day.

The Role of Labels in the Chain

Hazard labels are the universal language of this chain. A correctly applied Class 3 flammable liquid label communicates the same information to a handler in Madrid, a freight forwarder in Singapore and a pilot in New York. It requires no translation. It requires no explanation. It is the silent signal that keeps the choreography moving safely.

At MYDG.SHOP, our dangerous goods labels are manufactured to BS5609 standard — resistant to water, UV and the physical stresses of international transport — so that the message they carry remains legible at every stage of the chain.

Disclaimer: This information is for guidance only. Always consult the applicable regulations in their most recent version.