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Official website of the Department of Homeland Security

Transportation Security Administration

How is my item considered a weapon, explosive, or incendiary?

The TSA interpretive rule found in the Federal Register (Vol. 68, No. 31) provides guidance to the public on the types of property TSA considers to be weapons, explosives, and incendiaries prohibited in airport sterile areas and in the cabins of aircraft under the TSA regulations. The interpretation also provides guidance on the types of items permitted in sterile areas, the cabins of passenger aircraft, and in passengers’ checked baggage. You may view the TSA interpretive rule in its entirety.