14 C.F.R. Sec. 19-2 Maintenance of data.
Title 14 - Aeronautics and Space
(a) Each air carrier required to file Form 41 Schedule T–100 data shall maintain its operating statistics, covering the movement of traffic in accordance with the uniform classifications prescribed. Codes are prescribed for each operating element and service class. All traffic statistics shall be compiled in terms of each flight stage as actually performed. (b) Each carrier shall maintain data applicable to the specified traffic and capacity elements prescribed in section 19–5 and section 25, and by general service classes prescribed in section 19–4 of this part. (c) Operating statistics shall be maintained in accordance with the type of record, either nonstop segment or on-flight market.
Title 14: Aeronautics and Space
PART 241—UNIFORM SYSTEM OF ACCOUNTS AND REPORTS FOR LARGE CERTIFICATED AIR CARRIERS
Operating Statistics Classifications
Sec. 19-2 Maintenance of data.