Airworthiness Directive (AD) is a regulatory notice informing the registered owner of a condition that prevents the aircraft from continuing to meet its airworthiness. Compliance must be within the required time limit, and the fact of compliance, the date of compliance, and the method of compliance are recorded in the aircraft's maintenance records.

• A. True
• B. False
• C. It is optional
• D. It is only for the airframe

Answer: (A)

Airworthiness Directives are mandatory notices from the aviation authority that identify an unsafe condition and require corrective action within a set timeframe to keep the aircraft airworthy. Compliance must be completed within the required time, and maintenance records must document that the directive was complied with, including the date and the method used. This creates a traceable history showing the aircraft has met the required safety action, which is essential for ongoing airworthiness and for future inspections or audits. ADs can apply to the entire aircraft or to specific components such as engines, propellers, or systems, depending on the directive. So the statement is correct.