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

d. The associated regulations

ACS element text (the applicant demonstrates understanding of)

Airplane preflight inspection, including: d. The associated regulations

Bottom line

Under 14 CFR, all aircraft instruments and installed equipment are required to be operative prior to each departure. When the FAA adopted the minimum equipment list (MEL) concept for 14 CFR part 91 operations, it allowed aircraft to be operated with inoperative equipment determined to be nonessential for safe flight.

FAA references

  1. PHAK ch. 9 (p. 9-9) — FAA-H-8083-25C (2023)
  2. RMH ch. 3 (p. 3-4) — FAA-H-8083-2A
  3. RMH ch. 5 (p. 5-1) — FAA-H-8083-2A
  4. PHAK ch. 2 (p. 2-18) — FAA-H-8083-25C (2023)
  5. SEA ch. 4 (p. 4-1) — FAA-H-8083-23
  6. AFH ch. 5, Spin Procedures (p. 5-23) — FAA-H-8083-3C
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