Unit Load Device (ULD) is the correct terminology used
by the air transport industry for containers and loading units
that are used for the carriage of cargo by air.
Pallets and nettings as well as rigid containers are commonly used for freight transport by air.
Technical specifications for unit load devices are set by the International Air Transport Association (IATA). These relate to the dimensions, material and other characteristics of the ULD as well as issues relating to their manufacture, registration, handling and maintenance.
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| Dims: |
317 x 223 x 207cm | Dims: |
317 x 223 x 237cm |
| Aircraft type : | A300 & B757 | Aircraft type : | A300 |
| Volume : | 12m³ | Volume : | 14m³ |
| Tare weight : | 181 kilos | Tare weight : | 210 kilos |
| Max gross weight : | 6033 kilos | Max gross weight : | 6033 kilos |
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Because there are many different types of aircraft that carry cargo, as well as different possible configurations within the same aircraft type, most ULDs are specific to a particular use. The ULD Technical Manual, published by IATA, gives full details of these. Click here to view |
All ULDs are required to have markings that identify their type code, maximum gross weight and actual tare weight.




