SECTION Title Time
Appendix MAppendix M to Part 25—Fuel Tank System Flammability Reduction Means July 7, 2025
Appendix NAppendix N to Part 25—Fuel Tank Flammability Exposure and Reliability Analysis July 7, 2025
Appendix OAppendix O to Part 25—Supercooled Large Drop Icing Conditions July 7, 2025
Special Federal Aviation Regulation No. 13 Dec. 2, 2025(ecor)
Special Federal Aviation Regulation No. 109 Dec. 2, 2025(ecor)
§ 25.1§ 25.1 Applicability.Dec. 2, 2025(ecor)
§ 25.2§ 25.2 Special retroactive requirements.Dec. 2, 2025(ecor)
§ 25.3§ 25.3 Special provisions for ETOPS type design approvals.Dec. 2, 2025(ecor)
§ 25.4§ 25.4 Definitions.Dec. 2, 2025(ecor)
§ 25.5§ 25.5 Incorporations by reference.Dec. 2, 2025(ecor)
§ 25.21§ 25.21 Proof of compliance.Dec. 2, 2025(ecor)
§ 25.23§ 25.23 Load distribution limits.Dec. 2, 2025(ecor)
§ 25.25§ 25.25 Weight limits.Dec. 2, 2025(ecor)
§ 25.27§ 25.27 Center of gravity limits.Dec. 2, 2025(ecor)
§ 25.29§ 25.29 Empty weight and corresponding center of gravity.Dec. 2, 2025(ecor)