Who is responsible for submitting data necessary for the issuance of an Airworthiness Directive (AD)?

The parachute manufacturer is responsible for submitting data necessary for the issuance of an Airworthiness Directive (AD). This is because the manufacturer possesses detailed knowledge and data regarding the design, performance, and safety features of the parachutes they produce. They are in a unique position to provide the Federal Aviation Administration (FAA) with critical information that may relate to safety concerns or defects discovered in their equipment after the initial certification.

The manufacturer's submission of data regarding potential safety issues is essential for the FAA to evaluate and, if needed, issue an AD. This directive informs operators about necessary inspections, repairs, or modifications required to ensure continued airworthiness and safety. Other stakeholders, such as riggers or the broader rigging community, may bring potential issues to light, but the legal and formal responsibility for data submission lies with the manufacturer.