What is an AD?

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Multiple Choice

What is an AD?

An Airworthiness Directive is a legally enforceable directive from the FAA that addresses an unsafe condition in an aircraft, engine, propeller, or certain parts. It requires specific actions—such as modifying a component, performing inspections, or replacing parts—within a defined timeline to restore or maintain airworthiness. This is a mandatory change directed by the regulator, not a cosmetic tweak, nor simply a manufacturer’s recommended modification. While some ADs may involve software updates as part of the required actions, the essential point is that compliance is required by law to ensure safety.

An Airworthiness Directive is a legally enforceable directive from the FAA that addresses an unsafe condition in an aircraft, engine, propeller, or certain parts. It requires specific actions—such as modifying a component, performing inspections, or replacing parts—within a defined timeline to restore or maintain airworthiness. This is a mandatory change directed by the regulator, not a cosmetic tweak, nor simply a manufacturer’s recommended modification. While some ADs may involve software updates as part of the required actions, the essential point is that compliance is required by law to ensure safety.

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