Federal Aviation Regulations
14 CFR § 71 — Applicability
Volume 2 · Title 14 of the Code of Federal Regulations, 2025 annual edition. U.S. Government work — public domain (17 U.S.C. §105).
The regulation, in full
Sec. 71.1 Applicability.
A listing for Class A, B, C, D, and E airspace areas; air traffic
service routes; and reporting points can be found in FAA Order JO
7400.11J, Airspace Designations and Reporting Points, dated July 31,
2024. This incorporation by reference was approved by the Director of
the Federal Register in accordance with 5 U.S.C. 552 (a) and 1 CFR part
51. The approval to incorporate by reference FAA Order JO 7400.11J is
effective September 15, 2024, through September 15, 2025. During the
incorporation by reference period, proposed changes to the listings of
Class A, B, C, D, and E airspace areas; air traffic service routes; and
reporting points will be published in full text as proposed rule
documents in the Federal Register, unless there is good cause to forego
notice and comment. Amendments to the listings of Class A, B, C, D, and
E airspace areas; air traffic service routes; and reporting points will
be published in full text as final rules in the Federal Register.
Periodically, the final rule amendments will be integrated into a
revised edition of the Order and submitted to the Director of the
Federal Register for approval for incorporation by reference in this
section. This incorporation by reference material is available for
inspection at the Federal Aviation Administration (FAA) and at the
National Archives and Records Administration (NARA). Contact the FAA at:
Rules and Regulations Group, Federal Aviation Administration, 600
Independence Avenue SW, Washington, DC 20597; phone: (202) 267-8783. An
electronic version of FAA Order JO 7400.11J is available on the FAA
website at www.faa.gov/air_traffic/publications. A copy of FAA Order JO
7400.11J may be inspected in Docket No. FAA-2024-2061; Amendment No. 71-
56, on www.regulations.gov. For information on the availability of this
material at NARA, email <a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="80e6f2aee9eef3f0e5e3f4e9efeec0eee1f2e1aee7eff6">[email protected]</a> or visit
www.archives.gov/federal-register/cfr/ibr-locations.
[Docket FAA-2024-2061, Amdt. 71-56, 89 FR 68338, Aug. 26, 2024]
Effective Date Note: By Docket FAA-2024-2061, Amdt. 71-56, 89 FR
68338, Aug. 26,
2024, Sec. 71.1 was revised, effective Sept. 15, 2024 through Sept. 15,
2025.What this means for the knowledge test
Our own study notes for this section — reviewed through our AI instructional-review system, not by a certificated flight instructor. Not an authoritative source.
Class A airspace generally exists from 18,000 feet MSL up to and including flight level 600. Operations there are conducted under instrument flight rules, so a VFR-only private pilot does not fly in Class A.
14 CFR 71 / AIM 3-2-2
Lessons that cover § 71
Practice questions on § 71 (1)
Class A airspace generally begins at which altitude?
Answer 18,000 feet MSL
Class A extends from 18,000 feet MSL up to and including FL600 and is flown under IFR only.