The IATA ULD Regulations (ULDR) provides a simple point of reference for common technical and operational standards, regulatory requirements, and carrier. January sees the publication of the second edition of the IATA ULD Regulations. One might well ask, coming just one year after the first. Users of the ULD Regulations. Customer Type. Example. ↗ Airlines . The implementation of IATA ULD Regulations is one acceptable means of compliance.

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If you wish to contribute or participate in the discussions about articles you are invited to join SKYbrary as a regukations user. Unit Load Devices ULD are used as containers for baggage and cargo carried in the holds of suitably dimensioned and equipped aircraft and are secured so that they cannot move within the hold in flight.

On passenger aircraft, a record of which checked bags are stowed in which ULD is normally kept so that if it is necessary to retrieve a particular item prior to flight, it should be known which ULD it has been loaded in. On cargo aircraft, ULDs are often used in combination with netted pallets.

Containers and pallets should be identified by a unique combination of letters and numbers. The IATA standard system comprises 3 leading letters, 4 or 5 numerals and 2 trailing letters. Currently the 2 most commonly used certification standards are:.

In order to obtain approval or certification from the authorities, the designer must submit calculations and test results to show that the ULD is able to withstand the loads required while being restrained in the manner laid out in the TSO standards. These loads are extremely high, in order to prove that the design is capable of restraining the contents of the loaded ULD under extreme flight conditions, for example:.

These can be identified by the first letter of their identification code:. Certified ULD must be used on all aircraft which have holds that are of insufficient strength to contain their contents during extreme flight conditions and rely on the ULD being locked to the floor of the hold.


Non certified Tegulations may be used in an aircraft having a hold structure which is regulatilns capable of withstanding the forces from the contents during extreme flight conditions.

While airlines may choose to make their own definitions as to exactly what types of ULD may or may not be loaded on their aircraft, it should be remembered that many ULD are transferred between aircraft and even other airlines before reaching their destination.

Whether certified or non certified, no damaged ULD or pallet should be used for aircraft loading purposes. It is the responsibility of the ULD designer to create clear instructions iaha the use of the ULD, and to include them in the operations manual.

Additionally, airlines should make operations manual instructions on the correct use of the ULD available to all parties involved in loading and unloading the aircraft.

IATA ULD Regulations – Unit Load Devices – ULDR – English – 6th edition

While different manufacturers create different instructions, there are considerable similarities:. A ULD not loaded in compliance with these instructions may very well not be able to carry out its defined purpose of providing restraint to the contents in flight, and should not be allowed on board the aircraft.

Loading of pallets is similar to loading containers; particular attention should be given to the cargo net being used to secure the load to the pallet. Containers are typically lightweight structures comprising a structure of aluminium extrusions, a relatively thick 2.

By necessity they are made as light as possible, however they may be subjected to extremely severe handling conditions.

The rapid growth of air travel, especially air cargo, over the past 10 years has resulted in some ULDs being handled in sub standard facilities using inappropriate handling practices. Any resulting damage is not only a cost to aircraft operators but may also creates a condition which is hazardous to aircraft safety.

These standards also state clearly that unless a ULD is specifically designed to be handled by a forklift it should not be so handled; otherwise iafa may result. Empty containers should always be stored in suitable container racking, set up for easy transfer to dollies or other handling equipment without the use of a forklift. Outdoors racking should be equipped to prevent containers blowing away in windy conditions.


Empty containers should only be stacked where there exists proper training regulatiosn controls and where the containers are designed to be lifted by forklift. With the exception of a ULD which is approved for forklift handling, they should never be left on the ground even if empty. Nets may be permanently attached to a pallet along one side by locking the fittings in place or may be completely removable.

If removable they should be stored in a dry location.

Iata Uld Regulations – Google Books

Poor handling may well result in a ULD, which was perfectly serviceable when loading commenced arriving at the aircraft door in an unserviceable state, resulting in off loads, delaysreloads and other inconveniences.

They are also used to secure heavy items loaded inside a container subject to certain conditions. Cargo straps are typically of 2 types:. The use of cargo straps to secure any piece of cargo in lieu of a net requires great care and should only be done in accordance with the carriers specified procedures.

These may be used to connect a tie down strap terminated only with a hook into the pallet edge rail. Both straps and tie down fittings may only be deemed safe when issued by the owner airline. The use of a strap or fitting picked up from the floor of the terminal is unsafe. At present there is no certification standard for straps as there are for containers, pallets and nets, however a standard is in process and awaiting FAA implementation.

The primary purpose of ULD is to improve flight safety compared to bulk loading of holds.

Unit load device

Used correctly ULD will remain within their safety limits for many years, requiring only minor repairs to wear and tear type damages. Incorrect handling of ULD, particularly the indiscriminate use of forklifts will result in ULD damage rendering them unserviceable for use.

Ground Operations Content source: Retrieved from ” https: Ground Operations Operational Issues.