GTD was attending the sixth Community Aeronautics Days that took place from 30th March to 1st April 2011 in Madrid, following its successful predecessors that took place in Brussels (1991), Naples (1993), Toulouse (1997), Hamburg (2001) and Vienna (2006). Florent Birling at ALICIA’s Stand This event bring together aeronautics stakeholders, ministries, agencies and R&D centres from all over Europe and overseas to network, present their latest research results and discuss common future R&D projects. GTD actively participated in the stand of “ALICIA Project” publicizing the developments under GTD’s responsibility “Atmospheric Awareness”. Organized by CDTI (Centre for the Development of Industrial Technology in Spain) and the European Commission (Directorate General for Research), Aerodays 2011 has provided a perfect opportunity to present and disseminate information about EU-funded RTD results, and will be in line with the EU goals of creating a Single European Sky and a European Research Area, and of finding innovative approaches to sustainable aviation in a global environment.