The aim of this work was the complete characterisation of innovative prepreg systems based on carbon fibres and nanoparticle modified resins. After the test specimen production well known and long-time approved mechanical test methods related the aircraft industry, as well as thermo-mechanical and chemical analyses were used for the characterisation. Regarding the fibre-matrix adhesion a novel test method was developed which is based on a tensile test for single fibres. Considering the long-time experience in harmonising test methods for fibres and the experience of testing single natural, synthetic and high performance fibres a pull out test with a so called Dia-Stron equipment was feasible resulting in a very simple and standarDised test method to determine the fibre matrix adhesion.