The National Research Council (NRC) and Bell Helicopter have signed a 10-year research framework agreement that will streamline the process of establishing fee-for-service and collaborative R&D projects between the two organizations. NRC and Bell (a subsidiary of Providence RI-based Textron Inc) will continue joint R&D on composite materials for aircraft structures and flight testing of new avionics systems, with wind tunnel testing of proposed helicopter design modifications slated to begin this fall....