ICAS – International Council of the Aeronautical Sciences www.icas.org
ICAS is an international, non-government, non-profit scientific organization with the mission to advance knowledge and facilitate collaboration in aeronautics. ICAS is the only truly international support organization to representative aeronautical engineering professional societies and their members in 30 countries. ICAS organizes every two years an International Congress covering all aspects of aeronautical science and technology and their application to both military and civil aviation. A short summary description about ICAS is linked here: ICAS_one_page_description
Via the ICAS website and Secretariat technical papers from all ICAS congresses since 1958 are freely available.
The most recent congress ICAS 2016 was held in Korea www.icas2016.com and the next congress ICAS 2018 will be held in Belo Horizonte, Brazil icas2018-call-for-papers-poster and ICAS 2020 will be held in Shanghai, China.
CEAS – Council of European Aerospace Societies
The Council of European Aerospace Societies (CEAS) Air and Space Conference is the leading European Conference within aerospace. The conference is biannual and is organized in odd years. For information about the next CEAS Conference and deadlines for abstracts please visit www.ceas.org