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CFR > Title 14 - Aeronautics and Space > CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION > SUBCHAPTER C—AIRCRAFT (parts 21 to 50) > PART 33—AIRWORTHINESS STANDARDS: AIRCRAFT ENGINES > SUBPART C—Design and Construction; Reciprocating Aircraft Engines (§33.31 to §33.39) > 33.31—Applicability.
33.31—Applicability.
This subpart prescribes additional design and construction requirements for reciprocating aircraft engines.