(a) Agreement means the Air Transport Agreement Between the Government of the United States and the Government of Canada, signed at Ottawa, February 24, 1995, with Annexes and any amendments, supplements, reservations, or supersessions to it.

(b) Canadian charter air taxi operator means a foreign air carrier that is substantially owned and effectively controlled by Canadian citizens, the Government of Canada, or both, whose foreign air transportation operations are limited to charter air service between points in Canada and points in the United States, and that does not use large aircraft in those operations.

(c) Charter air service means nonscheduled commercial air transportation of persons and their accompanied baggage, and of property, on a time, mileage, or trip basis where the entire planeload capacity of one or more aircraft has been engaged, or the transportation of mail by aircraft.

(d) Large aircraft means any aircraft that are not small aircraft as defined in this section.

(e) Maximum authorized takeoff weight has the meaning assigned to it in regulations of the Canadian Transport Commission.

(f) Maximum certificated takeoff weight means the maximum takeoff weight authorized by the terms of the aircraft airworthiness certificate. This weight may be found in the airplane operating record or in the airplane flight manual that is incorporated by regulation into the airworthiness certificate.

(g) Maximum passenger capacity means the maximum number of passenger seats for which an aircraft is configured.

(h) Maximum payload capacity means the maximum certificated takeoff weight of an aircraft less the empty weight as defined in section 03 of part 241 of this chapter, less all justifiable aircraft equipment, and less the operating load (consisting of minimum fuel load, oil, flight crew, steward's supplies, etc.). For purposes of this part, the allowance for weight of the crew, oil and fuel is as follows:

(i) Small aircraft means any aircraft designed to have: