(2009-2011) Collaborative and Robust Engineering using Simulation Capability Enabling Next Design Optimisation Integrated Project in the 7FP THEME 7 Transport (including Aeronautics) CRESCENDO will develop the foundations for the Behavioural Digital Aircraft (BDA), taking experience and results from VIVACE, and integrating these into a federative system and building the BDA on top of them. Main components of the BDA are: the Model Store, the Simulation Factory, the Quality Laboratory, and the Enterprise Collaboration Capabilities