Can TSA tell if a liquid is alcohol?

The short answer is yes, airport scanners can detect alcohol. However, there are a few caveats. First, the scanner must be equipped with the right technology to detect alcohol. Second, the amount of alcohol being scanned must be significant enough to trigger the scanner's sensors.



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Roll your booze in bubble or foam wrap. Next, you want to roll up the bottle in a strip of bubble or foam wrap. Don't be shy about using that wrap!

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Cruise ship scanners can detect liquid that shows as a dark hue, but not directly detect whether the liquid is alcohol or not.

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For the TSA, which regulates travel in the United States, all liquids, gels, and aerosols must be in containers that are 3.4 ounces (100 milliliters) or less. All liquids must fit into a single, clear quart-size bag — passengers can only pack one of these bags in their carry-on.

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For beer and wine under 24% ABV, there aren't any limitations on how much can travel in checked bags as long as it fits in your luggage. Anything over 70% ABV won't be permitted, but this would only apply to distillates and extremely hard liquor, not beer or wine.

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However, the TSA does not allow alcohol with alcohol content higher than 70% (140 proof) in checked baggage. An individual may carry up to five liters of alcohol of between 24% and 70% alcohol volume in their checked luggage as long as it is in sealable bottles or flasks.

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