Cathay Cargo Terminal has successfully completed the first end-to-end trial of Autonomous Electric Tractor (AET) operations at Hong Kong International Airport (HKIA), marking a significant milestone in the use of automation for air cargo handling.
The trial featured a fully autonomous electric tow-tractor that towed four cargo dollies from within the Cathay Cargo Terminal to the West Cargo Apron (WCA) – the airport’s furthest cargo apron.
The AET autonomously navigated to the designated cargo transfer gate inside the terminal, where it was loaded with cargo. It then continued its journey unassisted, exiting the terminal and transporting the cargo directly to the WCA, ready for loading onto a Cathay Cargo flight.
One of the standout innovations of the trial is a precision docking system, which allows the AET’s dolly chains to automatically align with the terminal’s transfer deck, enabling smooth and accurate Unit Load Device (ULD) transfers. The system also features advanced digital security protocols that allow the AET to check in and out of secure zones without manual intervention.
This trial is the result of a joint collaboration between Cathay Cargo Terminal, Airport Authority Hong Kong, and Chinese autonomous driving technology firm UISEE. The project demonstrates a leap forward in cargo logistics, offering enhanced safety, greater efficiency, and a more sustainable approach to air cargo handling.
Cathay Cargo Terminal chief operating officer, Mark Watts, said: “This has been an important proof-of-concept to show that AETs are capable of more advanced workflows than we have seen so far for cargo, reducing manual processes and significantly enhancing operational efficiency.
“This also improves overall cargo flow at the world’s busiest cargo hub and significantly reduces carbon emissions associated with traditional ground service equipment.”
In addition to ongoing trials with AETs, Cathay Cargo Terminal is also piloting the use of Hydrotreated Vegetable Oil (HVO) for its non-electric cargo tractors. HVO is a renewable alternative to fossil-based diesel, with the ability to reduce the lifecycle carbon emissions approximately 80-90%, according to industry data.
Watts added: “HVO is a very important step, but continued electrification is the ultimate vision to help us reduce carbon emissions and pursue Cathay’s digital and sustainability leadership.”
Airport Authority Hong Kong acting deputy director of airport operations, Wing Yeung, said: “This new milestone reinforces HKIA’s leadership in smart logistics and sustainable aviation development, paving the way for further advancements in autonomous vehicle solutions in cargo-handling.
“The successful deployment of AETs in end-to-end cargo operations reflects the HKIA community’s continuous efforts in the adoption of smart airport initiatives and to reinforce the airport’s position as a global aviation hub.”
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