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Part 121

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  4. Part 121
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14 CFR Part 121
  1. Subpart A: General
  2. Subpart B—Certification Rules for Domestic and Flag Air Carriers [Reserved]
  3. Subpart C—Certification Rules for Supplemental Air Carriers and Commercial Operators [Reserved]
  4. Subpart D—Rules Governing All Certificate Holders Under This Part [Reserved]
  5. Subpart E: Approval of Routes: Domestic and Flag Operations
  6. Subpart F: Approval of Areas and Routes for Supplemental Operations
  7. Subpart G: Manual Requirements
  8. Subpart H: Aircraft Requirements
  9. Subpart I: Airplane Performance Operating Limitations
  10. Subpart J: Special Airworthiness Requirements
  11. Subpart K: Instrument and Equipment Requirements
  12. Subpart L: Maintenance, Preventive Maintenance, and Alterations
  13. Subpart M: Airman and Crewmember Requirements
  14. Subpart N: Training Program
  15. Subpart O: Crewmember Qualifications
  16. Subpart P: Aircraft Dispatcher Qualifications and Duty Time
  17. Subpart Q: Flight Time Limitations and Rest Requirements: Domestic Operations
  18. Subpart R: Flight Time Limitations: Flag Operations
  19. Subpart S: Flight Time Limitations: Supplemental Operations
  20. Subpart T: Flight Operations
  21. Subpart U: Dispatching and Flight Release Rules
  22. Subpart V: Records and Reports
  23. Subpart W: Crewmember Certificate: International
  24. Subpart X: Emergency Medical Equipment and Training
  25. Subpart Y: Advanced Qualification Program
  26. Subpart Z: Hazardous Materials Training Program
  27. Subpart AA: Continued Airworthiness and Safety Improvements
  28. Subpart BB [Reserved]
  29. §§ 121.1200-121.1399 [Reserved]
  30. Subpart CC [Reserved]
  31. §§ 121.1400-121.1499 [Reserved]
  32. Subpart DD: Special Federal Aviation Regulations
  33. Appendices

    Appendix A to Part 121: First Aid Kits and Emergency Medical Kits
  34. Appendix B to Part 121: Airplane Flight Recorder Specification
  35. Appendix C to Part 121: C-46 Nontransport Category Airplanes
  36. Appendix D to Part 121: Criteria for Demonstration of Emergency Evacuation Procedures Under § 121.291
  37. Appendix E to Part 121: Flight Training Requirements
  38. Appendix F to Part 121: Proficiency Check Requirements
  39. Appendix G to Part 121: Doppler Radar and Inertial Navigation System (INS): Request for Evaluation; Equipment and Equipment Installation; Training Program; Equipment Accuracy and Reliability; Evaluation Program
  40. Appendix H to Part 121: Advanced Simulation
    1. Appendix H to Part 121 Advanced Simulation
    2. Advanced Simulation Training Program
    3. FFS Training, Checking and Qualification Permitted
    4. 1. Level B FFS
    5. 2. Level C and D FFS
  41. Appendixes I-J to Part 121 [Reserved]
  42. Appendix K to Part 121: Performance Requirements for Certain Turbopropeller Powered Airplanes
  43. Appendix L to Part 121: Type Certification Regulations Made Previously Effective
  44. Appendix M to Part 121: Airplane Flight Recorder Specifications
  45. Appendix N to Part 121 [Reserved]
  46. Appendix O to Part 121: Hazardous Materials Training Requirements For Certificate Holders
  47. Appendix P to Part 121: Requirements for ETOPS and Polar Operations

14 CFR Part 121|eCFR Sep 29, 2026

Appendix H to Part 121

Advanced Simulation

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This appendix prescribes criteria for use of Level B or higher FFSs to satisfy the inflight requirements of Appendices E and F of this part and the requirements of § 121.439. The criteria in this appendix are in addition to the FFS approval requirements in § 121.407. Each FFS used under this appendix must be approved as a Level B, C, or D FFS, as appropriate.

Advanced Simulation Training Program

For a certificate holder to conduct Level C or D training under this appendix, all required FFS instruction and checks must be conducted under an advanced simulation training program approved by the Administrator for the certificate holder. This program must also ensure that all instructors, check pilots, and check flight engineers used in Appendix H training and checking are highly qualified to provide the training required in the training program. The advanced simulation training program must include the following:

1. The certificate holder's initial, transition, conversion, upgrade, and recurrent FFS training programs and its procedures for re-establishing recency of experience in the FFS.

2. How the training program will integrate Level B, C, and D FFSs with other FSTDs to maximize the total training, checking, and certification functions.

3. Documentation that each instructor and check pilot has served for at least 1 year in that capacity in a certificate holder's approved program or has served for at least 1 year as a pilot in command or second in command in an airplane of the group in which that pilot is instructing or checking.

4. A procedure to ensure that each instructor, check pilot, and check flight engineer-actively participates in either an approved regularly scheduled line flying program as a flightcrew member or an approved line observation program in the same airplane type for which that person is instructing or checking.

5. A procedure to ensure that each instructor, check pilot, and check flight engineer-is given a minimum of 4 hours of training each year to become familiar with the certificate holder's advanced simulation training program, or changes to it, and to emphasize their respective roles in the program. Training for instructors, check pilots, and check flight engineers must include training policies and procedures, instruction methods and techniques, operation of FFS controls (including environmental and trouble panels), limitations of the FFS, and minimum equipment required for each course of training.

6. A special Line-Oriented Flight Training (LOFT) program to facilitate the transition from the FFS to line flying. This LOFT program must consist of at least a 4-hour course of training for each flightcrew. It also must contain at least two representative flight segments of the certificate holder's operations. One of the flight segments must contain strictly normal operating procedures from pushback at one airport to arrival at another. Another flight segment must contain training in appropriate abnormal and emergency flight operations. The LOFT must provide an opportunity for the pilot to demonstrate workload management and pilot monitoring skills.

FFS Training, Checking and Qualification Permitted

1. Level B FFS

a. Recent experience (§ 121.439).

b. Training in night takeoffs and landings (Appendix E of this part).

c. Except for EFVS operations, landings in a proficiency check (Appendix F of this part).

2. Level C and D FFS

a. Recent experience (§ 121.439).

b. All pilot flight training and checking required by this part except the following:

i. The operating experience, operating cycles, and consolidation of knowledge and skills requirements of § 121.434;

ii. The line check required by § 121.440; and

iii. The visual inspection of the exterior and interior of the airplane required by appendices E and F.

c. The practical test requirements of § 61.153(h) of this chapter, except the visual inspection of the exterior and interior of the airplane.

Regulations Referenced Outside This Appendix

14 CFR 121.43914 CFR 121.40714 CFR Part 121, Appendix E14 CFR Part 121, Appendix F14 CFR 121.43414 CFR 121.44014 CFR 61.153
Previous AppendixAppendix G to Part 121: Doppler Radar and Inertial Navigation System (INS): Request for Evaluation; Equipment and Equipment Installation; Training Program; Equipment Accuracy and Reliability; Evaluation ProgramNext Appendix Appendix K to Part 121: Performance Requirements for Certain Turbopropeller Powered Airplanes

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Appendix H to Part 121 Advanced Simulation

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