Miscellaneous

Musical instruments must undergo screening when transported as carry-on or in checked bags. Musical instruments transported as carry-on require a physical inspection at the security checkpoint. Inform the TSA officer if your instrument requires special care and handling. Pack brass instruments in your checked bags.

The FAA limits you to 5.5 pounds of dry ice that is properly packaged (the package is vented) and marked. Airline approval is required. For more information, visit the FAA website.

The FAA limits the total amount of restricted medicinal and toiletry articles, including aerosols, in checked baggage. The total aggregate quantity per person cannot exceed 2 kg (70 ounces) or 2 L (68 fluid ounces). The capacity of each container must not exceed 0.5 kg (18 ounces) or 500 ml (17 fluid ounces). See the FAA regulations for more information.

Permitted aerosol release devices (button/nozzle) must be protected by caps or other suitable means to prevent accidental release.

Electronic smoking devices are allowed only in carry-on baggage.

Passengers are required to take effective measures for preventing accidental activation of the heating element of the device when transporting the devices. See the FAA regulations for examples of effective measures.
Each lithium ion battery must not exceed a Watt-hour (Wh) rating of 100 Wh; or for lithium metal batteries, a lithium content of 2 grams.

Check with your airline on any limitations on the number of devices that can be carried for personal use by a passenger.

Devices containing lithium metal or lithium ion batteries should be carried in carry-on baggage.  Most other consumer devices containing batteries are allowed in carry-on and checked baggage.

For more information to portable electronic devices, see the FAA regulations.