This part applies to every carrier, as defined in § 250.1, with respect to scheduled flight segments using an aircraft that has a designed passenger capacity of 30 or more passenger seats, operating in (1) interstate air transportation or (2) foreign air transportation with respect to nonstop flight segments originating at a point within the United States.
[Doc. No. OST-01-9325, 73 FR 21033, Apr. 18, 2008]