CFR›Title 14›Chapter III›Part 437›Subpart B›Subject Group Operational Safety Documentation›14 CFR 437.39 Citation14 CFR 437.39CorpusDaily eCFRDisplayed edition2026-09-15Last updated2026-09-15 § 437.39 Flight rules.An applicant must provide flight rules as required by § 437.71. Previous 437.37 § 437.37 Tracking. Next 437.41 § 437.41 Mishap plan.