The use of a car seat in the aircraft depends upon the airline. Before going on your trip, please check with your airline to ensure you are able to use the car seat in flight. In general, children under the age of two, do not require their own seat in the aircraft, they are allowed to be seated on their parent´s lap, secured with a loop belt. If you choose to or must book a seat for your child, they should be secured with an accredited restraint system. Please note, that you will be asked to book a separate seat in the aircraft, even if your child is under the age of two, if you choose to take a car seat on board. Please also be aware that worldwide (not in the EU) children cannot claim a seat in the airplane, you will need to contact your airline for more information.