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The AIRCRAFT MAINTENANCE LOG entry for a flight where an instrument was discovered inoperative on landing should
Choices
be omitted to avoid grounding the airplane.
Hiding squawks is unsafe and illegal.
✓ include date, total time, what was discovered, and 'INOP' tag the instrument per 14 CFR 91.213 if needed.correct
The entry records the date, total time, what was discovered, and an 'INOP' tag on the instrument per 14 CFR 91.213 where needed, because the next pilot must determine if MEL/Equipment List allows operation without the instrument. 14 CFR 91.213 governs flight with inoperative equipment. Required entries: date, time, discrepancy. The inop instrument should be PLACARDED 'INOP'. If on a Minimum Equipment List (MEL) or 91.213(d) list of required-by-type-cert equipment, airplane may be unairworthy. Pilot has affirmative duty to log; verbal hand-offs are not legal substitutes.
be made only if the next pilot asks.
Pilot has affirmative duty to log.
be a verbal note to the FBO.
Verbal hand-offs aren't legal records.
Why
The entry records the date, total time, what was discovered, and an 'INOP' tag on the instrument per 14 CFR 91.213 where needed, because the next pilot must determine if MEL/Equipment List allows operation without the instrument. 14 CFR 91.213 governs flight with inoperative equipment. Required entries: date, time, discrepancy. The inop instrument should be PLACARDED 'INOP'. If on a Minimum Equipment List (MEL) or 91.213(d) list of required-by-type-cert equipment, airplane may be unairworthy. Pilot has affirmative duty to log; verbal hand-offs are not legal substitutes.
FAA source: 14 CFR 91.213, 91.405browse the reference library →
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Original study question written for this course — representative of FAA knowledge-test topics, not an actual current FAA exam question. Reviewed by a panel of three CFIs + AI review.