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CA.I.B.K3dFAA-S-ACS-7B · Nov 2023Knowledge

d. Required discrepancy records or placards

ACS element text (the applicant demonstrates understanding of)

Equipment requirements for day and night VFR flight, including: d. Required discrepancy records or placards

Bottom line

Inoperative instruments and equipment must either be removed from the aircraft with the cockpit control placarded and maintenance recorded, or deactivated and placarded "Inoperative."

FAA references

  1. 14 CFR 91.213 (Inoperative instruments and equipment.) — eCFR current as of 2026-03-05
  2. 14 CFR 43.11 (Content, form, and disposition of records for inspections conducted under parts 91 and 125 and §§ 135.411(a)(1) and 135.419 of this chapter.) — eCFR current as of 2026-03-05
  3. PHAK ch. 9 (pp. 9-9–9-10) — FAA-H-8083-25C (2023)
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