Know your carry on allowances and remember the facts with this quick-reference chart. 3-1-1 for carry-on. http://www.tsa.gov/311/index.shtm

Please be aware that both your checked baggage and carry-on baggage may be subjected to security screening. There are some items which are prohibited in carry-on baggage and some items which are prohibited in checked baggage. Generally you are prohibited from carrying:

• Dangerous goods
• Restricted items such as flammable liquids
• Compressed gases
• Corrosive, magnetised or radioactive materials
• Toxic and infectious substances
• Sharp or other dangerous objects which could be used as weapons aboard the aircraft
• To avoid delays during the passenger screening process, we recommend that you place items such as jewellery, keys, cell phones etc. in your carry on baggage and not on your person.
• Pack appropriately to avoid inconvenience and delays at security check points.