You won't need a boarding pass or an ID to get through security if you're using TSA PreCheck at some airports.
09.02.2024 - 09:29 / euronews.com / Angela Symons
Mini shampoo bottles have long been a staple of the European holiday. But that could change as airports begin to ease security measures later this year.
High-tech CT scanners will eliminate the need for the 100 ml liquid rule at major hubs, promising to streamline security checks and slash queue times.
But why was the 100 ml rule implemented in the first place - and will removing it make flying less safe? Here’s everything travellers need to know.
Since 2006, airline passengers around the world have been limited to carrying liquids no larger than 100 ml in their hand luggage.
The rule was introduced after British police uncovered a terrorist plot to detonate liquid explosives disguised as soft drinks on a series of transatlantic flights.
The conspirators intended to assemble and detonate a device mid-flight, with hydrogen peroxide and other substances injected into 500 ml soda bottles, leaving the caps sealed. If mixed to a specific strength with other ingredients, the common bleach product can become explosive.
If the plot had been successful, it is believed it would have been far more deadly than the 9/11 attacks. It would have targeted multiple flights heading from the UK to at least five US and two Canadian airports.
Immediately after the discovery, hand luggage was completely banned on planes as a precautionary measure. This was later relaxed after tests were carried out to determine what amount of liquid was safe to carry, and a 100 ml container limit was introduced.
Experts found that mixing the smaller containers into a larger one to create a highly damaging explosive device on board was not realistic. They determined this would either fail or prematurely detonate, injuring the perpetrator but doing little to no damage to the aircraft.
Passengers are now limited to taking a maximum of one litre of liquids through security in containers no larger than 100 ml each. These must be separated into a clear resealable bag and removed from hand luggage when passing through the security scanners.
After 18 years, the 100 ml liquid rule will soon be ditched in some countries thanks to advanced new security scanners.
Using Computed Tomography (CT) X-ray technology, similar to that used in the medical field, they provide a clear 3D image of what’s inside passengers’ bags.
The images can be rotated 360 degrees and zoomed in on, allowing thorough analysis that’s likened to ‘digitally unpacking the bag’, device manufacturer Smiths Detection explains. This is an improvement on the current 2D imaging used at most airports.
The scanners also deploy sophisticated threat detection algorithms that can detect explosives - including liquids - and other hazards, according to the UK’s Department for Transport.
Existing 2D scanners
You won't need a boarding pass or an ID to get through security if you're using TSA PreCheck at some airports.
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