Italsystem Srl is engaged in a research project aimed at the realization of a whole on board aircraft system. Experience in the design and implementation of embedded systems has led to undertake this innovative project in which the guideline is to use IMA architecture that makes modular, reduces costs, allows the reusability of avionic equipment. The whole apparatus is designed, developed and submitted for verification and validation process through the use of hardware and software tools among the most advanced on the market and respect the RTCA DO178B rules.