Piper PA-28RT Arrow IV Turbo — Supplemental Type Certificate

This document is an Airworthiness Directive (AD) schedule applicable to various models of the Piper PA-28 series, including the Turbo Arrow IV. It outlines mandatory modifications, inspections, and compliance requirements to ensure the continued airworthiness of these aircraft. The ADs are issued by the CAA of New Zealand and are based on directives from the FAA. The document serves as a critical reference for maintenance personnel and operators of the PA-28 series, detailing specific actions required to address safety concerns and maintain compliance with aviation regulations.

• Compliance with ADs is mandatory for safety and airworthiness.
• Specific inspections and modifications must be performed within defined timeframes, such as 10 hours TIS or 100 hours TIS.
• The document covers multiple PA-28 models, including the Turbo Arrow IV, with specific directives for each.
• Regular inspections of the exhaust system and fuel tanks are critical to prevent operational failures.
• Modification of MLG torque links is necessary to prevent potential failures.