Types
ULDs come in two forms: pallets and containers. ULD pallets are rugged sheets of aluminum with rims designed to lock onto cargo net lugs. ULD containers, also known as cans and pods, are closed containers made of aluminum or combination of aluminum (frame) and Lexan (walls), which, depending on the nature of the goods to be transported, may have built-in refrigeration units. Examples of common ULDs and their specifics are listed below.
| Container type | Volume | Linear dimensions (base width / overall width × depth × height) |
Remarks |
|---|---|---|---|
| LD1 | 4.90 m3 (173 cu ft) | 156 / 234 × 153 × 163 cm (61.5 / 92 × 60.4 × 64 in) |
contoured, half width |
| LD2 | 3.40 m3 (120 cu ft) | 119 / 156 × 153 × 163 cm (47 / 61.5 × 60.4 × 64 in) |
contoured, half width |
| LD3 | 4.50 m3 (159 cu ft) | 156 / 201 × 153 × 163 cm (61.5 / 79 × 60.4 × 64 in) |
contoured, half width, dimension according to IATA; available at 45" height for loading on Airbus A320 family |
| LD6 | 8.95 m3 (316 cu ft) | 318 / 407 × 153 × 163 cm (125 / 160 × 60.4 × 64 in) |
contoured, full width, equivalent to 2 LD3s |
| LD8 | 6.88 m3 (243 cu ft) | 244 / 318 × 153 × 163 cm (96 / 125 × 60.4 × 64 in) |
contoured, full width, equivalent to 2 LD2s; DQF-prefix |
| LD11 | 7.16 m3 (253 cu ft) | 318 × 153 × 163 cm (125 × 60.4 × 64 in) |
same as LD-6 but without contours; rectangular |
| Pallet type | Volume | Linear dimensions | Remarks |
| LD8 | 6.88 m3 (243 cu ft) | 153 × 244 cm (60 × 96 in) |
same floor dimensions as container variant; FQA-prefix |
| LD11 | 7.16 m3 (253 cu ft) | 153 × 318 cm (60.4 × 125 in) |
same floor dimensions as container variant; FLA- and PLA-prefixes |
| LD7 (2 pallet variants) |
10.8 m3 (381 cu ft) 11.52 m3 (407 cu ft) |
224 × 318 cm (88 × 125 in) 244 × 318 cm (96 × 125 in) |
PAG- and P1P-prefixes PMC- and P6P-prefixes |
Read more about this topic: Unit Load Device
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