(a) No person may operate a land airport in any State of the United States, the District of Columbia, or any territory or possession of the United States, serving any scheduled passenger operation of an air carrier operating an aircraft having a seating capacity of more than 30 passengers without an airport operating certificate, or in violation of that certificate, the applicable provisions of this part, or the approved airport certification manual for that airport.

(b) Unless otherwise authorized by the Administrator, no person may operate a land airport in any State of the United States, the District of Columbia, or any territory or possession of the United States, serving any unscheduled passenger operation of an air carrier operating an aircraft having a seating capacity of more than 30 passengers without a limited airport operating certificate, or in violation of that certificate, the applicable provisions of this part, or the approved airport specifications for that airport.