- Watch for common household items that can be hazardous materials when transported by air. The changes in temperature and pressure during flight can cause items to leak, generate toxic fumes or start a fire.
- Fireworks, signal flares, sparklers or other explosives.
- Pressure Containers such as spray cans, scuba tanks, propane tanks, CO2 cartridges, and self-inflating rafts.
- Weapons such as firearms, ammunition, gunpowder, mace, tear gas or pepper spray. Firearms may be checked and declared, if unloaded.
- Knives and cutting instruments of all kinds are prohibited. Contact the airline to determine any additional airline restrictions that may apply.
- Other hazardous materials - dry ice, gasoline-powered tools, wet-cell batteries, camping equipment with fuel, radioactive materials (except limited quantities), poisons, and infectious substances.
- Dry ice (4 pounds or less) for packing perishables, may be carried on board an aircraft provided the package is vented.
- You must declare hazardous materials to airlines, express package carriers or the Postal Service. Violations carry a civil penalty of up to $27,500 for each occurrence and, in appropriate cases, a criminal penalty of up to $500,000 and/or up to five years imprisonment.
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