scope:

This document provides certification guidance on how to meet the airworthiness requirements for the installation of non-essential, non-required aircraft Cabin Systems and Equipment (CS&E) and in doing so enable a standardized approach across equipment manufacturers and installers. The information contained herein is applicable to installation methodologies of aircraft CS&E approved under 14 CFR parts 23, 25, 27 and 29. Both aerospace manufactured equipment and commercial off the shelf (COTS) equipment is considered.