CFR›Title 14›Chapter I›Part 21›Subpart P ContainsSection 21.700CorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 Subpart P—Special Federal Aviation Regulations Sections 21.700 § 21.700 SFAR No. 111—Lavatory Oxygen Systems. SourceDocket No. FAA-2011-0186, Amdt. 21-92, 76 FR 12555, Mar. 8, 2011, unless otherwise noted. Previous O Subpart O—Technical Standard Order Approvals Next Special Federal Aviation Regulation No. 88 Special Federal Aviation Regulation No. 88—Fuel Tank System Fault Tolerance Evaluation Requirements