The document outlines the development of an aviation reference architecture by a collaboration between Capgemini and Lufthansa, addressing challenges such as lack of expertise and political barriers. It details the structure, intended benefits, and framework for the architecture, emphasizing the need for standardized descriptions across various domains like business, application, data, and technology. The outcome includes improved communication and efficiency in aviation IT systems, along with the establishment of an aviation vertical in the Open Group for knowledge sharing and development of future architectures.