ARINC649 ARINC Report 649: Common Terminology and Functions for Software Distribution and Loading

This document provides comprehensive guidance on the secure distribution of Aircraft Relevant Software (ARS) from software providers such as Original Equipment Manufacturers (OEMs) or Design Approval Holders (DAHs) to end users including airline operators and Maintenance, Repair, and Overhaul (MRO) organizations. It aims to standardize software delivery processes to reduce complexity and improve security across the aviation industry ecosystem.