CFR›Title 14›Chapter I›Part 121›Subpart K›14 CFR 121.326 Citation14 CFR 121.326CorpusDaily eCFRDisplayed edition2026-08-19Last updated2026-08-19 § 121.326 xxxLink to an amendment published at 91 FR 48697, July 31, 2026. Previous 121.325 § 121.325 Instruments and equipment for operations under IFR or over-the-top. Next 121.327 § 121.327 Supplemental oxygen: Reciprocating engine powered airplanes.