US Transportation Security Administration (TSA) has partnered with American Airlines to test a new computed tomography (CT) scanner at Phoenix Sky Harbor International Airport (PHX) in Arizona, US.

As part of the pilot project, the CT scanner will be tested in one of the checkpoint lanes of Terminal 4 of PHX.

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CT checkpoint scanning equipment is designed to improve threat detection capabilities by providing a 3-D image that can be viewed and rotated for better analysis.

TSA acting administrator Huban Gowadia said: “The safety and security of travellers is the number one priority of TSA, and our partnership with industry, such as American Airlines, is critical in helping develop innovative and critical security enhancements.

“We already use this type of technology for checked baggage, and we expect these smaller checkpoint-sized machines will provide the same high level of security.”

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"We already use this type of technology for checked baggage, and we expect these smaller checkpoint-sized machines will provide the same high level of security."

The equipment is also capable of shooting hundreds of images with an X-ray camera that spins around the conveyor belt to provide officers with a picture of a carry-on bag to ensure it does not contain a threat item.

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The system uses advanced algorithms to detect explosives, firearms and other items banned in carry-on baggage.

In addition, 3-D CT technology could allow passengers to leave liquids, gels, aerosols and laptops in their carry-on bags, leading to a faster throughput and reduced bin use.

TSA also noted that on the successful completion of the pilot project, the agency and American Airlines may deploy CT technology to other checkpoint locations.

Image: A computed tomography (CT) scanner. Photo: courtesy of American Airlines.