AI.III.B.S2FAA-S-ACS-25 · Nov 2023Skills

Determine the airplane is airworthy in the scenario given by the evaluator.

ACS element text (the applicant demonstrates understanding of)

Determine the airplane is airworthy in the scenario given by the evaluator.

Bottom line

Deferral of maintenance is not to be taken lightly, and due consideration should be given to the effect an inoperative component may have on the operation of an aircraft, particularly if other items are inoperative.

FAA references

  1. 14 CFR 43.15 (Additional performance rules for inspections.) — eCFR current as of 2026-03-05
  2. AFH ch. 16 (p. 16-25) — FAA-H-8083-3C
  3. 14 CFR 91.213 (Inoperative instruments and equipment.) — eCFR current as of 2026-03-05
  4. PHAK ch. 9 (p. 9-10) — FAA-H-8083-25C (2023)
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