A Contract for Preliminary Design of the Indo-Russian Fifth Generation Fighter Aircraft was signed between Hindustan Aeronautics Limited (HAL), Rosoboronexport and Sukhoi here today. The Project involves design and development of a Fifth Generation Fighter Aircraft that will have advanced features such as stealth, supercruise, ultra-maneuvrability, highly integrated avionics suite, enhanced situational awareness, internal carriage of weapons and Network Centric Warfare capabilities.