f the child is between 0-23 months, you travel as a baby (without your own seat) in the parents' knees. NOTE! If the baby is 2 years old during the trip, the baby must be booked as a child.
If the child is between 2 years and up to 11 years old, you travel as a child, with your own seat. NOTE! If the child fills 12 years during the trip, the child must be booked as an adult.
Children from 12 years of age count as an adult.