(a) When overlapping airspace designations apply to the same airspace, the operating rules associated with the more restrictive airspace designation apply.
(b) For the purpose of this section—
(1) Class A airspace is more restrictive than Class B, Class C, Class D, Class E, or Class G airspace;
(2) Class B airspace is more restrictive than Class C, Class D, Class E, or Class G airspace;
(3) Class C airspace is more restrictive than Class D, Class E, or Class G airspace;
(4) Class D airspace is more restrictive than Class E or Class G airspace; and
(5) Class E is more restrictive than Class G airspace.
authority: 49 U.S.C. 106(f), 106(g), 40103, 40113, 40120; E.O. 10854, 24 FR 9565, 3 CFR, 1959-1963 Comp., p.389
source: Amdt. 71-14, 56 FR 65654, Dec. 17, 1991, unless otherwise noted.
cite as: 14 CFR 71.9