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TSA screening: liquids, electronics, and what belongs in carry-on

August 17, 2026 · 7 min read

TSA screening: liquids, electronics, and what belongs in carry-on

TSA rules are US security rules. Airline baggage pages are commercial rules. You can meet one and fail the other. A 4 oz lotion is a TSA problem in carry-on even if the airline allows the bottle in a checked bag. Azurovia does not screen bags.

Liquids (3-1-1)

Carry-on liquids, aerosols, and gels are generally limited to 3.4 oz (100 ml) containers in one quart-sized bag per traveller. Medically necessary liquids and infant formula have exceptions with extra screening. Duty-free liquids in a secure tamper-evident bag can still be an issue if you connect and leave the sterile area.

Electronics and powders

Laptops come out of the bag at many checkpoints unless you are in a TSA PreCheck lane that allows them to stay. Some international outbound checkpoints restrict large powder containers in carry-on. Check the departure airport, not only the US arrival.

PreCheck, CLEAR, and Global Entry

Those are trusted-traveller programs you enroll in with the government. They are not a fare brand on Azurovia. Having PreCheck on a boarding pass requires the known traveller number on the ticket — add it on the seller or airline site after you book.

Pack to TSA for the carry-on, pack to the airline for weight, and pack lithium spares in the cabin. Related: batteries.

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