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VRR Get authorisation2.5

Air Cargo Container Certification

Guaranteeing the airworthiness of our air cargo products

The importance of certified ULDs

Unit Load Devices (ULDs) are used to transport cargo of all shapes and sizes. But their value extends far beyond loading efficiency and consignment protection. ULDs are also essential to flight safety, whether they come as aircraft containers or as pallet/net combinations.

A ULD can only be loaded into an aircraft after its airworthiness has been proven. That is because it must be directly restrained by the aircraft’s Cargo Loading System. Proof of airworthiness comes in the form of EASA or FAA certification. If a ULD is not certified, it can’t be placed in the Cargo Loading System.

VRR is extremely experienced in getting standard and customised ULDs certified. Like always, we love to share some of this knowledge with you!

The benefits of certified ULDs

There are some very clear benefits to using certified containers vs. non-certified containers. 

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Safety
Certification is about safety. A certified container that complies with the aviation standard, is proven to be strong enough to withstand a high load while restrained in an aircraft’s hold.
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Speed
Airlines are free to decide which types of ULD may or may not be loaded on their aircraft. However, many ULDs are transferred between aircraft and even other airlines before reaching their destination. Therefore, there is always a risk that a non-certified ULD cannot complete the planned journey in time.
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Convenience
Certified ULDs can be accepted for use on any type of aircraft as long as they are compatible with the plane’s loading and restraint systems and its contour. No additional approval is needed from the airline.

Getting certification: How does it work?

Our team of compliance engineers is dedicated to the certification of our ULDs. They are specialised in making sure every single ULD meets the right standard and is provided with the corresponding proof.

Aviation safety standards are set high for good reason. Manufacturers like VRR must prove conclusively—through testing and analysis—that a ULD can withstand a high load while restrained in an aircraft’s hold and in accordance with TSO and other standards.

Once our team has convinced EASA that the design, testing and manufacturing meets the approved standards, the ULD can be classed as certified.

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The certification process

The process for getting a ULD certified can be broken down into six broad steps

  1. Determine which requirements apply to the ULD's design
  2. Determine how we can achieve compliance with the requirements
  3. Evaluate the design to ensure that it complies with the requirements
  4. Ensure the design is not overengineered
  5. Submit calculations and test results to the regulatory authority
  6. Receive approval for use from the regulatory authority 
Read more about how we get certification
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How long does it take to get a ULD certified?

The time it takes to get a ULD certified depends on whether it’s a completely new design or a modification on an existing design. If we are just modifying the design, it may take us just a couple of days to run the compliance analyses.

The certification of a standard design that’s been customised usually takes us about a week of analysis, although it largely depends on the complexity of the customisation.

The most labour-intensive certification process is for new and innovative designs. These can take at least 200 hours of analysis, testing and documenting to make sure they are structurally sound.

Articles on certification

Take a deep dive into the world of certification and read our blog articles. 

At VRR we Inspire to Care