1 Frankfurt Intl Airport (Frankfurt, Germany) 2  Right now, 120 airlines operate out of Frankfurt Intl Airport. 3  Frankfurt Intl Airport offers nonstop flights to 296 cities.  Every week, at least 4,564 domestic flights and 16,296 international flights depart from Frankfurt Intl Airport.
Keep your child who has outgrown his forward-facing car seat in a belt-positioning booster seat until they are big enough to fit in regular seat belts. Keep in mind that, according to the AAP, this is usually not until a child has 'reached 4 feet 9 inches in height and are between 8 and 12 years of age.'.
Stephanie Tombrello. child passenger safety specialist. You can safely switch your child to a booster seat if she's at least 4 years old and she weighs 40 pounds or more or has grown too tall for her car seat (when her shoulders are higher than the top set of harness-strap slots in the car seat's back).