[REVISION HISTORY]

Aviation security liquid and medication regulations

Updated 1 time since CLSTR started tracking revisions of this situation.

What changed

2026-08-21 07:38 UTC → 2026-09-08 10:18 UTC · added ~~removed~~

Airport security regulations regarding liquids and medications continue to vary by region and technology. In several UK airports, such as ~~Heathrow and~~ Heathrow, Gatwick, London City, Tynecast, Birmingham, and Bristol, advanced CT scanners have enabled liquid limits to increase to up to 2 liters per passenger by allowing security personnel to analyze chemical compositions via high-resolution 3D images. Shannon Airport has also updated its hand luggage rules, removing the 100ml limit for liquids, aerosols, and gels. Following investments in 3D C3 scanners, passengers at Shannon can now carry containers of up to two liters. Pat O’Brien, Chief Officer of Shannon Airport Police, Fire Service and Security, stated that the enhancement maintains high security standards while making the passenger journey “easier and more flexible.” Despite these technological advancements, a full transition across the European Union has faced delays. The European Commission renewed restrictions in 2024 due to high implementation costs and concerns over scanner reliability. Consequently, the 100ml rule remains the standard in many European locations, requiring liquids to be stored in containers of no more than 100ml within a single transparent, resealable plastic bag. Additionally, travelers must navigate specific documentation requirements for certain medications, such as strong analgesics or benzodiazepines, to avoid confiscation.

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