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Part 29
§ 29.551

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14 CFR · Part 29

14 CFR § 29.551

Auxiliary lifting surfaces.

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Read in Subpart C

Part 29 Contents

Subpart A: General
Subpart B: Flight
Subpart C: Strength Requirements
Subpart D: Design and Construction
Subpart E: Powerplant
Subpart F: Equipment
Subpart G: Operating Limitations and Information
Appendix A to Part 29: Instructions for Continued Airworthiness
Appendix B to Part 29: Airworthiness Criteria for Helicopter Instrument Flight
Appendix C to Part 29: Icing Certification
Appendix D to Part 29: Criteria for Demonstration of Emergency Evacuation Procedures Under § 29.803
Appendix E to Part 29: HIRF Environments and Equipment HIRF Test Levels

Each auxiliary lifting surface must be designed to withstand—

(a)

The critical flight loads in §§ 29.337 through 29.341, and 29.351;

(b)

the applicable ground loads in §§ 29.235, 29.471 through 29.485, 29.493, 29.505, and 29.521; and

(c)

Any other critical condition expected in normal operation.

Regulations Referenced

14 CFR 29.337 14 CFR 29.341 14 CFR 29.235 14 CFR 29.471 14 CFR 29.485 14 CFR 29.493 14 CFR 29.505

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 29)