FlyCurrentFLYCURRENT
PA.I.E.K1FAA-S-ACS-6C · November 2023Knowledge

Airspace classes

ACS element text (the applicant demonstrates understanding of)

Airspace classes and associated requirements and limitations.

Bottom line

Determine the three-dimensional airspace at your position and altitude before applying its rules.

FAA references

  1. AIM Chapter 3: Airspace — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
  2. 14 CFR 91.131 — Current eCFR checked 2026-11-05
  3. 14 CFR 91.130 — Current eCFR checked 2026-11-05
  4. 14 CFR 91.215 and 91.225 — eCFR current as of 2026-03-05
Members lesson

Build understanding you can use

Unlock the full lesson and continue studying this element.

  • Full teaching sections: How it works; Apply it; Applicable requirements; Check equipment separately
  • Check your understanding with answers you can reveal
View membership options