Diamond DA40 NG — Maintenance Manual

This document provides Instructions for Continued Airworthiness (ICA) for the Hartzell 3A1-QP460A1/75A01-2 propeller installed on Diamond DA40 NG aircraft. It is intended for maintenance personnel and pilots to ensure compliance with airworthiness standards and maintenance practices. The ICA supplements existing aircraft service manuals, specifically addressing the installation and maintenance of the propeller. Key sections include airworthiness limitations, maintenance checks, and specific procedures related to the propeller's operation and inspection. The document emphasizes the importance of adhering to the recommended maintenance schedules and inspection criteria to maintain safety and airworthiness.

• The Hartzell 3A1-QP460A1/75A01-2 propeller is approved for use on Diamond DA40 NG aircraft.
• The recommended time between overhaul (TBO) for the propeller is specified in Hartzell Service Letter HC-SL-61-61Y.
• Low pitch setting is 13.3° ±0.2° and high pitch setting is 31.0° ±1.0° at a 30.0” reference radius.
• All maintenance must comply with FAA regulations under 14 CFR §43.16 and §91.403.
• Inspections must be performed by a certified propeller repair station.