How CT scanners can Improve airport security and Why Staff Need Training

In 2024, many larger airports worldwide will switch to CT-scanning X-ray machines. CT stands for computed tomography, a technology that uses X-rays to create 3D images of objects. CT scanning X-ray machines have several benefits for airport security and passengers. 

First, they can detect metallic and non-metallic threats hidden under clothing or inside luggage, such as explosives, gels, or gases. This makes them more effective than conventional 2D X-ray scanners, which might miss some sophisticated threats or produce false alarms.

Second, they can provide high-resolution and volumetric images of the contents of a bag, allowing operators to zoom in, out, and rotate the images to inspect them more accurately. This reduces the need for manual searches and re-scans, which can slow down the screening process and cause inconvenience to passengers.

Third, they can enable passengers to keep their liquids, aerosols, gels, and laptops inside their carry-on bags instead of removing them and placing them in separate bins. This can save passengers time and hassle and reduce the risk of theft or damage to their belongings.

However, CT scanning X-ray machines also have some disadvantages that must be considered. One is the high cost of acquiring and installing the new equipment. Although the radiation dose from a CT scan is very low and unlikely to cause harm, some passengers might still be concerned about their safety.

A further disadvantage is that, with the resurgence of camera film popularity, CT scanners do have a damaging effect on camera film. Manual checks for film can be requested at screening points in some airports.

Moreover, CT scanning X-ray machines require operators and maintenance staff training, as they are more complex and sophisticated than conventional X-ray scanners. This might pose some challenges for airports that need to upgrade their staff skills and knowledge quickly. Online courses and computer-based X-ray simulators may be available to help operators learn how to use CT scanning X-ray machines effectively.

Renful Premier Technologies is a security technology company based in the United Kingdom. It was founded by aviation security expert Moshe Cohen in 1994. Renful aims to enhance security personnel selection, training, and management by developing customised software. One such product is Simfox CT, a computer-based X-ray simulator that provides a 3D view of scanned bags and containers. It is specifically designed for aviation security X-ray training and testing of screeners who use Computer Tomography scanners at aviation security checkpoints.

Renful has become the centre of a strategic security training network worldwide, including airports, civil aviation authorities, border control agencies, and other high-security facilities. Renful is now one of the leading and most dynamic security technology companies globally.

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