REGULATION — LEGALLY BINDING

§ 91.405 Maintenance required

14 CFR Part 91 — Subpart E—Maintenance, Preventive Maintenance, and Alterations

Official text — 14 CFR § 91.405

REGULATION — LEGALLY BINDING

Each owner or operator of an aircraft—

(a) Shall have that aircraft inspected as prescribed in subpart E of this part and shall between required inspections, except as provided in paragraph (c) of this section, have discrepancies repaired as prescribed in part 43 of this chapter;

(b) Shall ensure that maintenance personnel make appropriate entries in the aircraft maintenance records indicating the aircraft has been approved for return to service;

(c) Shall have any inoperative instrument or item of equipment, permitted to be inoperative by § 91.213(d)(2) of this part, repaired, replaced, removed, or inspected at the next required inspection; and

(d) When listed discrepancies include inoperative instruments or equipment, shall ensure that a placard has been installed as required by § 43.11 of this chapter.

Reproduced from the eCFR. Text as amended through 2026-07-31. Verify against the official source before relying on it operationally.

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Yes — this is regulatory text and is legally binding.

Text published in the Code of Federal Regulations. Regulations are legally binding on pilots and operators.

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