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Code of Federal Regulations (Last Updated: October 10, 2024) |
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Title 14 - Aeronautics and Space |
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Chapter I—Federal Aviation Administration, Department of Transportation |
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SubChapter C—Aircraft |
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Part 38 - Airplane Fuel Efficiency Certification |
| Subpart A - General |
| § 38.1 - Applicability. |
| § 38.3 - Definitions. |
| § 38.4 - Compatibility with airworthiness requirements. |
| § 38.5 - Exemptions. |
| § 38.7 - Incorporation by reference. |
| § 38.9 - Relationship to other regulations. |
| Subpart B - Determining Fuel Efficiency for Subsonic Airplanes |
| § 38.11 - Fuel efficiency metric. |
| § 38.13 - Specific air range. |
| § 38.15 - Reference geometric factor. |
| § 38.17 - Fuel efficiency limits. |
| § 38.19 - Change criteria. |
| § 38.21 - Approval before compliance testing. |
| § 38.23 - Manual information and limitations. |
| Appendix A to Part 38 - Determination of Airplane Fuel Efficiency Metric Value |