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Airport security myths clarified: What you really can't take on a plane

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Airport security myths clarified: What you really can't take on a plane
Policy
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Ha Nguyen McNeill Deputy Administrator | Transportation Security Administration

Airport security is a topic often surrounded by myths and misconceptions. While regulations are generally consistent worldwide, variations exist depending on the country and even the specific airport. For instance, water is allowed through security on domestic flights in Indonesia but not permitted on flights to Australia from Vietnam.

In the United States, anyone unsure about what they can bring on an airplane should consult the Transportation Security Administration (TSA) or relevant authorities in other countries. Airlines also have their own rules; some allow pets onboard while others do not.

Despite federal regulations enforced by the TSA across US airports, security checks may vary due to different interpretations of guidelines and local regulations. For example, having TSA PreCheck does not guarantee a smooth experience as random checks and behavior-based screenings still occur.

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A common myth is that all liquids are banned as carry-on luggage. The 3-1-1 rule allows for 3.4 oz containers in a quart-sized bag per passenger, with exceptions for medications, baby formula, and breast milk. "TSA allows larger amounts of medically necessary liquids, gels, and aerosols in reasonable quantities for your trip," states the TSA.

Another misconception is that food cannot be brought through security. Solid foods like sandwiches are allowed, but non-solid foods fall under liquid restrictions. Baby food is permitted in reasonable quantities.

Pets can pass through security checkpoints if removed from their carriers during screening. However, airline policies vary significantly regarding pet transport.

Regarding firearms, none are allowed in aircraft cabins though many can be checked in with special instructions. Toy guns are also prohibited from cabins.

For movie fans wondering about specific items: Harry Potter wands and toy lightsabers are permitted onboard. Electronics such as PlayStations should ideally be carried on due to potential damage during baggage handling.

Overall, passengers should always verify specific regulations with both the TSA and their airline before traveling to avoid complications at airport security.

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