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PA.I.B.R1FAA-S-ACS-6C · Nov 2023Risk management

Inoperative equipment discovered prior to flight.

ACS element text (the applicant demonstrates understanding of)

Inoperative equipment discovered prior to flight.

Bottom line

A preflight failure creates two questions: can the flight legally be conducted with that item inoperative, and is the resulting aircraft safe for this flight? Complete both assessments before departure.

FAA references

  1. 14 CFR 91.213(d)(1) — Current eCFR checked 2026-11-05
  2. 14 CFR 91.213(d)(2) — Current eCFR checked 2026-11-05
  3. 14 CFR 91.213(d)(3), (4) — Current eCFR checked 2026-11-05
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  • Full teaching sections: Use the appropriate path; Consider the combined effect; A failed display before unfamiliar night operations
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