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  4. Part 25
  5. § 25.994
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14 CFR · Part 25

14 CFR § 25.994

Fuel system components.

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Read in Subpart E
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

Fuel system components in an engine nacelle or in the fuselage must be protected from damage that could result in spillage of enough fuel to constitute a fire hazard as a result of a wheels-up landing on a paved runway under each of the conditions prescribed in § 25.721(b).

Regulations Referenced

14 CFR 25.721

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)