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Prohibited Goods

Air transport is the most restrictive mode of transport. Certain goods are absolutely forbidden on both passenger and cargo aircraft, while others may only be carried on cargo aircraft (CAO).

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Always Forbidden (PAX + CAO) — 2.1.1

Substances liable to explode or react dangerously (2.1.1)

Any article or substance which, as presented for transport, is liable to explode, dangerously react, produce a flame, or a dangerous evolution of heat.

Various

Organic Peroxide, Type A

Organic peroxides of an explosive nature — forbidden on both PAX and CAO aircraft.

Various

Damaged / defective lithium batteries

FORBIDDEN due to thermal runaway risk. Includes recalled batteries and those identified as defective for safety reasons.

UN 3480/3481/3090/3091

WMD components

Chemical/biological weapon components. FORBIDDEN under international conventions.

Forbidden Unless Exempted by a State (2.1.2)

The following are forbidden for transport by air unless an exemption is granted by the States concerned under the provisions of 1.2.5:

2.1.2(a)Radioactive material in vented Type B(M) packages
2.1.2(a)Radioactive packages requiring external cooling by an ancillary cooling system
2.1.2(a)Radioactive packages subject to operational controls during transport
2.1.2(a)Radioactive material that is explosive or a pyrophoric liquid
2.1.2(b)Substances marked 'Forbidden' in Table 4.2 (List of Dangerous Goods)
2.1.2(c)Infected live animals
2.1.2(d)Liquids in PG I due to inhalation toxicity
2.1.2(e)Substances presented in liquid form at 100°C or above, or as elevated temperature solids at or above their melting point
2.1.2(f)Other substances forbidden by the appropriate national authority

PAX Forbidden — CAO Only

Class 2.3 — Toxic gasesPAX ForbiddenCAO OK

Forbidden on passenger aircraft; CAO max. 25 kg.

Example: UN 1017 (Chlorine)

Class 3 PG I — Highly flammable liquidsPAX ForbiddenCAO OK

Forbidden on PAX; CAO max. 1 L.

Example: UN 1155 (Diethyl ether)

Class 4.2 PG II-III — Spontaneously combustiblePAX ForbiddenCAO OK

Forbidden on PAX; CAO limited quantity.

Example: UN 1373 (Fibres impregnated with oil)

Class 4.3 PG I — Dangerous when wet (violent reaction)PAX ForbiddenCAO OK

Forbidden on PAX; CAO max. 1 kg.

Example: UN 1428 (Sodium)

Class 5.1 PG I — Strong oxidizersPAX ForbiddenCAO OK

Forbidden on PAX; CAO max. 2.5 kg.

Example: UN 1479 (Oxidizing solid, n.o.s.)

Class 5.2 Type B — Organic peroxidePAX ForbiddenCAO OK

Forbidden on PAX; CAO max. 5 kg.

Example: UN 3101

Class 6.1 PG I (inhalation) — Highly toxicPAX ForbiddenCAO OK

Highly toxic by inhalation — forbidden on PAX aircraft.

Example: UN 1556 (Arsenic compound)

Class 8 PG I — Strong corrosivesPAX ForbiddenCAO OK

Forbidden on PAX; CAO max. 2.5 L/kg.

Example: UN 1826 (Nitric acid)

Lithium batteries — Section I (standalone)PAX ForbiddenCAO OK

PI 965/968 Section I: Some operators do not accept on PAX aircraft.

Example: UN 3480/3090

Special Considerations

  • - State Variations may impose additional prohibitions (e.g. some states do not accept radioactive material).
  • - Operator Variations may be more restrictive than the DGR.
  • - “Hidden dangerous goods” — undeclared dangerous goods carry severe penalties and pose serious safety risks.
  • - Lithium batteries in passenger baggage are subject to separate rules (max. 100 Wh for spares).

Related Pages

Hazard Classes

Class details and subdivisions

CAO/PAX Limits

Quantity limits by class

Airline Restrictions

Operator-specific prohibitions