14 CFR Part 121 — Operating Requirements: Domestic, Flag, and Supplemental Operations

Section 01: Organizations & Authorities

Definition

The FAA regulation governing the certification and operations of scheduled air carriers and commercial operators conducting domestic, flag, or supplemental operations. Part 121 prescribes stringent requirements for air carrier certification, crew qualifications, training programs, aircraft performance, maintenance programs (Continuous Airworthiness Maintenance Programs — CAMP), dispatch procedures, and operational control. It is the primary operating rule for major U.S. airlines.

Primary Sources

14 CFR Part 121 — Operating Requirements: Domestic, Flag, and Supplemental OperationsFAA

FAA operating requirements for air carriers conducting scheduled and supplemental commercial operations.

Related Terms

Federal Aviation Administration (FAA)Title 14 Code of Federal Regulations (14 CFR)14 CFR Part 91 — General Operating and Flight Rules14 CFR Part 135 — Operating Requirements: Commuter and On Demand Operations

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