If you are traveling by plane, you should be aware of the rules for carry-on items and special types of luggage, and know what to expect during the security screening process. Below you will find guidelines for specific types of carry-on items, tips on transporting special items, rules for security screening, and more, from the U.S. Department of Homeland Security's Transportation Security Administration (TSA).

"3-1-1 for Carry-Ons"- The rule for bringing liquids, gels, and aerosols through airport security checkpoints.

Permitted and Prohibited Items: In-Depth Information - Tips to prepare you for enhanced security at the airport:

• Sharp Objects
• Sporting Goods
• Guns & Firearms
• Tools
• Martial Arts & Self Defense Items
• Explosive & Flammable Materials, Disabling Chemicals & Other Dangerous Items
• Other Items

Security Screening - Rules and tips for air travelers:

• Advanced Imaging Technology (AIT)
• Frequently Asked Questions - Secure Fligt
• Transgender Travelers
• Religious and Cultural Needs During Screening

TSA-Recognized Baggage Locks - Before you lock your bag, make sure you're using a TSA-accepted lock.

"Checkpoint Friendly" Laptop Bags - To help streamline the security process and better protect laptops, TSA recently encouraged manufacturers to design bags that will produce a clear and unobstructed image of the laptop when undergoing X-ray screening.

Transporting Special Items - Helpful guidelines for transporting special items from the security perspective:

• Alcoholic Beverages
• Batteries and Devices
• Camping Gear
• Compressed Gas Cylinders
• Currency, Coins, Precious Metals, or Valuable Jewelry
• Firearms and Ammunition
• Food and Beverages
• Hunting and Fishing Equipment
• Knitting Needles and Needlepoint
• Lighters and Matches
• Musical Instruments
• Paintball Equipment
• Parachutes
• Pets
• Scuba Equipment
• Service Animals
• Sporting Equipment