The safest place for a child in any moving vehicle is a child safety seat, even in a plane. There are no rules that require you to bring a child seat along with you, but it is recommended by the Federal Aviation Administration (FAA) and the American Academy of Pediatrics (AAP). After two years old, kids can no longer travel as a “lap child” and must have their own seat. But whether you’ve got your child in your lap or in their own seat, there are dangers associated with each that a car seat can help solve. Read more in detail about car seats on planes.