ph-iata-dangerous-goods-air key terms

The industry rulebook, published annually and based on ICAO Technical Instructions, that sets out how dangerous goods must be classified, packed, marked, labelled, documented and handled for air transport.

The international standards for the safe air transport of dangerous goods issued under the Chicago Convention; national regulations and the IATA DGR are built upon them.

Country-specific differences published in the DGR that modify or add to the general requirements, reflecting national law or the policy of the state concerned.

Airline-specific restrictions or additional conditions listed in the DGR that shippers and forwarders must check, because each carrier may accept, limit or refuse particular dangerous goods.

Items whose dangerous nature is not obvious from their description, such as lithium batteries in equipment, magnets, dry ice or aerosols in passenger baggage and general cargo.

A four-digit identification code assigned by the United Nations to a specific dangerous substance or article, used to look up its entry in the Dangerous Goods List.

The official name of a dangerous good as shown in the Dangerous Goods List, which must appear on documents and package markings instead of trade or brand names.

One of nine hazard categories into which dangerous goods are grouped, such as explosives, gases, flammable liquids, oxidizers, toxic substances, radioactive material, corrosives and miscellaneous dangerous goods.

A subdivision within a hazard class that separates goods by degree or type of hazard, for example Class 2 gases split into flammable, non-flammable and toxic divisions.

A ranking of I, II or III assigned to certain classes to reflect the degree of danger, with I being greatest hazard and III the least.

An additional hazard of a substance beyond its primary class, which must also be communicated by a subsidiary risk label and noted in the documentation.

A letter assigned to explosives within Class 1 that indicates which items may be stowed or packed together safely.

The central DGR table that, for each UN number and proper shipping name, shows the class, packing group, labels, packing instructions, special provisions and quantity limits.

A numbered code in the Dangerous Goods List that relaxes, clarifies or adds to the normal requirements for a particular entry, such as allowing a different name or packaging.

A numbered specification in the DGR that states which packagings and quantities may be used for a given dangerous good, including inner and outer packaging combinations.

Packaging that has been tested and marked to UN performance standards, identified by a code showing packaging type, performance level and manufacturer details.

A packaging assembly in which inner packagings are contained within an outer packaging, with the outer packaging meeting UN performance requirements for the combination.

An enclosure used by a single shipper to consolidate several packages into one handling unit, which must carry its own markings and preserve the markings and labels of the packages inside.

A reduced regulatory regime for small quantities of certain dangerous goods, allowing simpler packaging and documentation provided the per-package quantity limit is respected.

A category for very small quantities of dangerous goods where minimal requirements apply, provided the quantity limits and the excepted quantity mark are met.

The information applied to a package surface, such as the UN number, proper shipping name, shipper or consignee details and orientation arrows, as required by the DGR.

A diamond-shaped label showing the class or division symbol and hazard colours, applied to packages and overpacks to communicate the primary and subsidiary risks.

The transport document signed by the shipper that identifies the dangerous goods, their quantities, packing and emergency contact, and certifies compliance with the regulations.

The contract of carriage for a shipment; for dangerous goods it must indicate the presence of dangerous goods and be accompanied by the Shipper's Declaration.

A contact number, reachable at all times, that must be shown on the Shipper's Declaration so responders can obtain information about the shipment in an emergency.

The operator's verification before loading that the shipment's documents, packaging, marking and labelling comply with the regulations and the applicable variations.

The requirement to keep certain dangerous goods apart from each other or from other cargo, based on their hazards, so that a leak or reaction cannot spread.

The rules for placing dangerous goods on an aircraft, including restrictions on where they may sit, access requirements and protection from damage or heat.

A limitation meaning the dangerous good may be carried only on freighter aircraft, not on passenger aircraft, and which must be shown in the documentation and labelling.

The DGR document that gives, for each UN number, initial actions, spill and fire advice, and a drill code for use by crew and ground staff in an incident.

The formal record submitted after an occurrence such as a leak, spill, fire or undeclared shipment, used to investigate the event and improve safety.

Dangerous goods presented for transport without the required declaration, marking or labelling, which is a serious safety breach and must be reported.

Training that requires the candidate to demonstrate practical knowledge and skills, not just attendance, with assessment against defined competencies for their role.

Periodic refresher training, normally required within 24 months, that keeps personnel current with regulation changes and maintains their dangerous goods competence.

Class 6.2 goods known or reasonably expected to contain pathogens and capable of causing disease in humans or animals, requiring specific packaging and documentation.

Solid carbon dioxide, a Class 9 good used as a refrigerant, subject to quantity limits, venting requirements and specific marking when used to cool shipments.