AI.II.G.R1FAA-S-ACS-25 · Nov 2023Risk management
Various classes and types of airspace. The applicant demonstrates and simultaneously ex...
Various classes and types of airspace. The applicant demonstrates and simultaneously explains how to:
Bottom line
Pilots should be familiar with the operational requirements for each of the various types or classes of airspace. Class A airspace is generally the airspace from 18,000 feet MSL up to and including FL 600. Regardless of weather conditions, an ATC clearance is required prior to operating within Class B airspace.
FAA references
- AIM 3-1-1 (General) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
- PHAK ch. 15 (pp. 15-2–15-3) — FAA-H-8083-25C (2023)
- AIM 3-2-3 (Class B Airspace) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
- 14 CFR 91.135 (Operations in Class A airspace.) — eCFR current as of 2026-03-05
- RMH ch. 3 (p. 3-8) — FAA-H-8083-2A
- 14 CFR 91.145 (Management of aircraft operations in the vicinity of aerial demonstrations and major sporting events.) — eCFR current as of 2026-03-05
- 14 CFR 71.33 (Class A airspace areas.) — eCFR current as of 2026-03-05
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