Beechcraft 1900D — Supplemental Type Certificate

This document is an Advisory Circular (AC) issued by the Federal Aviation Administration (FAA) that provides guidance to aircraft owners and operators regarding their responsibilities for complying with Airworthiness Directives (ADs). It outlines the procedures for recording compliance with ADs in maintenance records and emphasizes the importance of adhering to these directives to ensure the safety and airworthiness of aircraft. The AC also details the categories of ADs, compliance requirements, and the responsibilities of both owners/operators and maintenance personnel in relation to AD compliance. It serves as a critical resource for understanding the regulatory framework surrounding aircraft maintenance and safety.

• Owners/operators must comply with all applicable Airworthiness Directives (ADs).
• AD compliance must be documented in maintenance records as specified by regulations.
• ADs can be categorized as NPRM, FRC, or Emergency ADs based on urgency.
• Compliance times for ADs can be expressed in flight hours, landings, or calendar dates.
• Maintenance personnel must verify AD compliance during inspections.