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Part 25
§ 25.1535

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14 CFR · Part 25

14 CFR § 25.1535

ETOPS approval.

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Read in Subpart G

Part 25 Contents

Special Federal Aviation Regulation No. 13
Special Federal Aviation Regulation No. 109
Subpart A: General
Subpart B: Flight
Subpart C: Structure
Subpart D: Design and Construction
Subpart E: Powerplant
Subpart F: Equipment
Subpart G: Operating Limitations and Information
Subpart H: Electrical Wiring Interconnection Systems (EWIS)
Subpart I: Special Federal Aviation Regulations
Appendix A to Part 25
Appendix B to Part 25
Appendix C to Part 25
Appendix D to Part 25
Appendix E to Part 25
Appendix F to Part 25
Appendix H to Part 25: Instructions for Continued Airworthiness
Appendix I to Part 25: Installation of an Automatic Takeoff Thrust Control System (ATTCS)
Appendix J to Part 25: Emergency Evacuation
Appendix K to Part 25: Extended Operations (ETOPS)
Appendix L to Part 25: HIRF Environments and Equipment HIRF Test Levels
Appendix M to Part 25: Fuel Tank System Flammability Reduction Means
Appendix N to Part 25: Fuel Tank Flammability Exposure and Reliability Analysis
Appendix O to Part 25: Supercooled Large Drop Icing Conditions

Except as provided in § 25.3, each applicant seeking ETOPS type design approval must comply with the provisions of Appendix K of this part.

Regulations Referenced

14 CFR 25.3 14 CFR Part 25, Appendix K

Reflects the eCFR edition current as of September 29, 2026. Retrieved from ecfr.gov on October 16, 2026.

Primary Source

Official Source (14 CFR · Part 25)