Mooney M20A — Service Manual

This service instruction from Mooney Airplane Company provides guidance on the installation of a 406MHz SARSAT ELT retrofit kit for all M20 series aircraft, including the M20A. The document outlines the obsolescence of the previous 121.5MHz ELT systems and details the necessary steps for replacing the existing ELT with the new ARTEX ME406 unit. It emphasizes the importance of following the installation instructions carefully and ensuring that the new ELT is registered according to local regulations. This document is intended for aircraft owners and maintenance personnel responsible for retrofitting the ELT system in their Mooney aircraft.

• The retrofit kit replaces the 121.5MHz ELT with a 406MHz SARSAT ELT due to obsolescence.
• Installation requires disconnecting the battery and removing access panels.
• The ME406 ELT must be registered with the relevant authorities after installation.
• The installation process includes specific torque settings for antenna mounting (25 to 30 in-lbs).
• This modification is not warranty reimbursable.