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PA.I.B.K1aFAA-S-ACS-6C · Nov 2023Knowledge

a. Location and expiration dates of required aircraft certificates

ACS element text (the applicant demonstrates understanding of)

General airworthiness requirements and compliance for airplanes, including: a. Location and expiration dates of required aircraft certificates

Bottom line

Verify the aircraft’s current airworthiness and registration documentation is aboard. Display the airworthiness certificate at the cabin or cockpit entrance so it is legible to passengers or crew.

FAA references

  1. 14 CFR 91.203(a), (b) — Current eCFR checked 2026-11-05
  2. 14 CFR 21.181(a)(1) — Current eCFR checked 2026-11-05
  3. 14 CFR 47.40 — Current eCFR checked 2026-11-05
  4. 14 CFR 91.203(a)(2) — Current eCFR checked 2026-11-05
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  • Full teaching sections: The certificates have different duration rules; Registration expired; annual current
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