GHB (gamma-hydroxybutyrate) is produced naturally in the human body in very small amounts. When taken as a recreational drug, and especially when taken in combination with alcohol or other drugs, GHB can be extremely dangerous. GHB is a central nervous system depressant.
International flights always allow carry-on luggage, but each airline has its own restrictions as to quantity, size and weight. Some international carry-on policies restrict bag weights to 11 lbs. or less, while domestic flights rarely have a weight limit.
This benefit will not be available for travel on codeshare flights booked with an American Airlines flight number but operated by another airline. For the Citi Â® / AAdvantage Â® card, up to four (4) customers traveling with the eligible primary cardmember will also get their first checked bag free of charge if they are listed in the same reservation.