SUBPART D—Airworthiness Requirements (§133.41 to §133.51)
- 133.41—Flight characteristics requirements.
- 133.43—Structures and design.
- 133.45—Operating limitations.
- 133.47—Rotorcraft-load combination flight manual.
- 133.49—Markings and placards.
- 133.51—Airworthiness certification.