IATA Packing Overpacks

An overpack is an enclosure used by a single shipper to contain one or more packages. It forms one handling unit for convenience in handling and stowage.

Each dangerous goods package within an overpack must be properly packed, marked, and labeled according to these regulations. It must also be free of any damage or leakage. An overpack must not contain packages containing different substances which might react dangerously with one another. Table 9.3.A provides a list of classes and divisions that require segregation. In addition, an overpack must not contain any packages bearing the label "Cargo Aircraft Only," except as noted in 5.0.1.5.3, and the overpack must not impair the intended function of each package. It should be noted, however, that an overpack may contain packages of goods that are not subject to these regulations.

To learn more about IATA Dangerous Goods Regulations visit our IATA DGR Online Training Certification Courses web page.