Leaders in Clean Sky 1 and 2, as well as the Associates from Clean Sky 1 and the Core Partners from Clean Sky 2, are commonly referred to as Members, and usually remain part of Clean Sky throughout the programme duration.
In Clean Sky 1, each technology platform - called an Integrated Technology Demonstrator (ITD) - is co-led by 2 industrial organisations.
In Clean Sky 2, each component of the programme is led or co-led by up to 3 organisations:
Green Rotorcraft (GRC)
Smart Fixed Wing Aircraft (SFWA)
Sustainable and Green Engines (SAGE)
Green Regional Aircraft (GRA)
Systems for Green Operations (SGO)
Technology Evaluator (TE)