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Who is responsible for ensuring Airworthiness Directives (AD's) are complied with?

A

Owner or operator.✓ Correct Answer

B

Mechanic with inspection authorization (IA).

C

Repair station.

Explanation

14 CFR 91.403(a) places the primary responsibility for maintaining the aircraft in airworthy condition, including compliance with airworthiness directives (Part 39), on the owner or operator. The mechanic or repair station performs the work but does not carry that responsibility.

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