UKACC
United Kingdom Air Cargo Club.
ULD
Unit Load Device. Pallet or Container for freight.
Unclean Bill of Lading
A bill containing reservations as to the good order and condition of the goods, or the packaging, or both. Examples "bags torn;" "drums leaking;" "one case damaged;" "rolls chafed."
Unitisation
The packing of single or multiple consignments into ULDs or pallets.
Universal Postal Union
Organization which negotiates international mail charges.