If I'm reading correctly, FL law requires a car seat/booster till age 5, and NY requires it till age 6. Our trip is scheduled to begin 2 weeks before DD's 6th birthday, and she is pretty tall for her age. Legally (unless there is a height waiver), we should use the booster to/from the airport, which is about 10-15 minutes away from our home. Should we leave the booster home? We are flying out reallllly early, so we can't have a friend drop us & take the booster home. Is there a height requirement built into the NY law?