SECTION	Title	Time
§ 38.21	§ 38.21 Approval before compliance testing.	Dec. 2, 2025(ecor)
§ 38.23	§ 38.23 Manual information and limitations.	Dec. 2, 2025(ecor)
Appendix A	Appendix A to Part 38—Determination of Airplane Fuel Efficiency Metric Value	Dec. 2, 2025(ecor)