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title 14
Aeronautics and Space
chapter I
CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
part 38
PART 38—AIRPLANE FUEL EFFICIENCY CERTIFICATION
subpart A
Subpart A—General
Subpart A. 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.