SECTION	Title	Time
§ 121.531	§ 121.531 Applicability.	July 24, 2025
§ 121.533	§ 121.533 Responsibility for operational control: Domestic operations.	July 24, 2025
§ 121.535	§ 121.535 Responsibility for operational control: Flag operations.	July 24, 2025
§ 121.537	§ 121.537 Responsibility for operational control: Supplemental operations.	July 24, 2025
§ 121.538	§ 121.538 Aircraft security.	July 24, 2025
§ 121.539	§ 121.539 Operations notices.	July 24, 2025
§ 121.541	§ 121.541 Operations schedules: Domestic and flag operations.	July 24, 2025
§ 121.542	§ 121.542 Flight crewmember duties.	July 24, 2025
§ 121.543	§ 121.543 Flight crewmembers at controls.	July 24, 2025
§ 121.544	§ 121.544 Pilot monitoring.	July 24, 2025
§ 121.545	§ 121.545 Manipulation of controls.	July 24, 2025
§ 121.547	§ 121.547 Admission to flight deck.	July 24, 2025
§ 121.548	§ 121.548 Aviation safety inspector's credentials: Admission to pilot's compartment.	July 24, 2025
§ 121.548a	§ 121.548a DOD Commercial Air Carrier Evaluator's Credential.	July 24, 2025
§ 121.549	§ 121.549 Flying equipment.	July 24, 2025