Research and innovation is highly important for the development and adoption of new aviation concepts and technologies. This report provides an analysis of research and innovation initiatives in Europe in aviation, with a focus on emissions reduction. The assessment follows a structured methodology developed by the European Commission’s Transport Research and Innovation Monitoring and Information System (TRIMIS). The report addresses aviation research by thematic area and technology, highlighting recent developments and future needs. It also provides insight from the academia and the private sector by means of focused scientific literature and patent analysis.