The WP5000 – Aircraft experimentation – will deals with the preparation, the execution and the analyse of tests on an airborne end-to-end system prototype on a test bed, on ground and in flight. The main objectives will be then to develop, adapt and validate the system architecture defined in WP3000 with the use of the satellite architecture and modem prototype developed in WP4000. The output of the trial analysis will also provide an assessment of the business model of WP2000 and input for the deployment plan to be proposed by WP8500.