14 CFR § 253.3
Definitions
July 13, 2020
Large aircraft means any aircraft designed to have a maximum passenger capacity of more than 60 seats.
Passenger means any person who purchases, or who contacts a ticket office or travel agent for the purpose of purchasing, or considering the purchase of, air transportation.
Ticket office means station, office, or other location where tickets are sold that is under the charge of a person employed exclusively by the carrier, or by it jointly with another person.