Major airports were instructed by the government to install the cutting-edge machinery by June 1, 2024.
However, Manchester, Gatwick, and Heathrow do not anticipate having all of their scanners operational by then.
Which?, a consumer advocacy group, cautioned that it might lead to confusion over the summer break.
According to the group, travelers might assume that all UK airports have modified their hand luggage security policies, but this isn’t the case, which could lead to delays at security.
The Department for Transport (DfT) stated that the scanners would increase traveler convenience and security when it announced the deadline.
Following the successful foiling of a plot to bomb a transatlantic flight in 2006, regulations were implemented mandating that liquid items be brought through security in containers no larger than 100ml and placed in a clear plastic bag.
The deadline for airports to install new scanners was originally set for June of this year, but it was later pushed back to 2022.
To produce 3D images, they employ CT X-ray technology. This implies that two liters of liquid in bags can be passed through. You can also leave laptops in bags.
Several other nations, including the US, have already started using them.
Airports in the UK have been progressively implementing the trials since they started in 2018. A few, like London City Airport and Teesside, have already completed their rollouts.