Packing Instruction 492 (for UN 3292 Cells, containing sodium)

Passenger and cargo aircraft for UN 3292 only

General requirements

Part 4, Chapter 1 requirements must be met, including:

1) Compatibility requirements

- Substances must be compatible with their packagings as required by 4;1.1.3.

- Metal packagings must be corrosion resistant or be protected against corrosion.

2) Closure requirements

- Closures must meet the requirements of 4;1.1.4.

------------------------------------------------------------------------
                    |                           |    Total  |  Total
                    |                           |  quantity |  quantity
UN number and       |                           |per package|per package
proper shipping name|   Packing conditions      |- passenger|  - cargo
------------------------------------------------------------------------
UN 3292 Cells,      | There must be sufficient  |           |
        containing  | cushioning material to    |   25 kg   |  400 kg
        metallic    | prevent contact between   |           |
        sodium or   | cells and between cells   |           |
        sodium      | and the internal surfaces |           |
        alloy       | of the outer packaging    |           |
                    | and to ensure that no     |           |
                    | dangerous movement of the |           |
                    | cells within the outer    |           |
                    | packaging occurs in       |           |
                    | transport.                |           |
------------------------------------------------------------------------

ADDITIONAL PACKING REQUIREMENTS

- Packagings for cells must meet the Packing Group II performance requirements.

- Cells and batteries must be protected against short circuit and must be isolated in such a manner as to prevent short circuits.

PACKAGINGS

Boxes                            Drums                     Jerricans
Aluminium (4B)                   Aluminium (1B2)           Aluminium (3B1, 3B2)
Fibreboard (4G)                  Fibre (1G)                Plastics (3H1, 3H2)
Natural wood (4C1, 4C2)          Other metal (1N2)         Steel (3A1, 3A2)
Other metal (4N)                 Plastics (1H2)
Plastics (4H1, 4H2)              Plywood (1D)
Plywood (4D)                     Steel (1A2)
Reconstituted wood (4F)
Steel (4A)