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title 14
Aeronautics and Space
chapter I
CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
part 27
PART 27—AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT
subpart A
Subpart A—General
Subpart A. Subpart A—General
§ 27.1 - Applicability.
§ 27.2 - Special retroactive requirements.
