Part 121 - OPERATING REQUIREMENTS: DOMESTIC, FLAG, AND SUPPLEMENTAL OPERATIONS
Subpart A – General
Subpart E – Approval of Routes: Domestic and Flag Operations
Subpart F – Approval of Areas and Routes for Supplemental Operations
Subpart G – Manual Requirements
Subpart H – Aircraft Requirements
Subpart I – Airplane Performance Operating Limitations
Subpart J – Special Airworthiness Requirements
Subpart K – Instrument and Equipment Requirements
Subpart L – Maintenance, Preventive Maintenance, and Alterations
Subpart M – Airman and Crewmember Requirements
Subpart N – Training Program
Subpart O – Crewmember Qualifications
Subpart P – Aircraft Dispatcher Qualifications and Duty Time
Subpart Q – Flight Time Limitations and Rest Requirements: Domestic Operations
Subpart R – Flight Time Limitations: Flag Operations
Subpart S – Flight Time Limitations: Supplemental Operations
Subpart T – Flight Operations
Subpart U – Dispatching and Flight Release Rules
Subpart V – Records and Reports
Subpart W – Crewmember Certificate: International
Subpart X – Emergency Medical Equipment and Training
Subpart Y – Advanced Qualification Program
Subpart Z – Hazardous Materials Training Program
Subpart AA – Continued Airworthiness and Safety Improvements
Appendices