SECTION Title Time
§ 27.1589§ 27.1589 Loading information.July 7, 2025
Appendix AAppendix A to Part 27—Instructions for Continued Airworthiness July 7, 2025
Appendix BAppendix B to Part 27—Airworthiness Criteria for Helicopter Instrument Flight July 7, 2025
Appendix CAppendix C to Part 27—Criteria for Category A July 7, 2025
Appendix DAppendix D to Part 27—HIRF Environments and Equipment HIRF Test Levels July 7, 2025
§ 27.1§ 27.1 Applicability.Dec. 2, 2025(ecor)
§ 27.2§ 27.2 Special retroactive requirements.Dec. 2, 2025(ecor)
§ 27.21§ 27.21 Proof of compliance.Dec. 2, 2025(ecor)
§ 27.25§ 27.25 Weight limits.Dec. 2, 2025(ecor)
§ 27.27§ 27.27 Center of gravity limits.Dec. 2, 2025(ecor)
§ 27.29§ 27.29 Empty weight and corresponding center of gravity.Dec. 2, 2025(ecor)
§ 27.31§ 27.31 Removable ballast.Dec. 2, 2025(ecor)
§ 27.33§ 27.33 Main rotor speed and pitch limits.Dec. 2, 2025(ecor)
§ 27.45§ 27.45 General.Dec. 2, 2025(ecor)
§ 27.49§ 27.49 Performance at minimum operating speed.Dec. 2, 2025(ecor)