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  4. Part 25
  5. § 25.23
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14 CFR · Part 25

14 CFR § 25.23

Load distribution limits.

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Read in Subpart B
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
(a)

Ranges of weights and centers of gravity within which the airplane may be safely operated must be established. If a weight and center of gravity combination is allowable only within certain load distribution limits (such as spanwise) that could be inadvertently exceeded, these limits and the corresponding weight and center of gravity combinations must be established.

(b)

The load distribution limits may not exceed—

(1)

The selected limits;

(2)

The limits at which the structure is proven; or

(3)

The limits at which compliance with each applicable flight requirement of this subpart is shown.

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)