14 C.F.R. § 121.515 Flight time limitations: All airmen: airplanes.
Title 14 - Aeronautics and Space
No airman may be aloft as a flight crewmember more than 1,000 hours in any 12-calendar-month period.
Title 14: Aeronautics and Space
PART 121—OPERATING REQUIREMENTS: DOMESTIC, FLAG, AND SUPPLEMENTAL OPERATIONS
Subpart S—Flight Time Limitations: Supplemental Operations
§ 121.515 Flight time limitations: All airmen: airplanes.