CFR›Title 14›Chapter I›Part 71›Subpart C ContainsSection 71.51CorpusDaily eCFRDisplayed edition2026-05-07Last updated2026-05-07 Subpart C—Class C Airspace Sections 71.51 § 71.51 Class C airspace. Previous B Subpart B—Class B Airspace Next D Subpart D—Class D Airspace