CFR›Title 30›Chapter I›Part 56›Subpart A ContainsSections 56.1–56.2; Subject group ProceduresCorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart A—General Contents 56.1 § 56.1 Purpose and scope. 56.2 § 56.2 Definitions. Procedures Procedures Section 56.1000 Next B Subpart B—Ground Control