[custom_adv] The HESA Kowsar, also known as Kosar, is a fighter jet based on the American Northrop F-5. The aircraft is equipped with new fourth generation avionics in combination with an advanced fire control system. [custom_adv] Western analysts have described the plane to be inefficient as a weapon, but having potential for training a new generation of Iranian fighter pilots. [custom_adv] According to the state-media, this fighter jet has "advanced avionics" and multipurpose radar, and it was "100-percent indigenously made". [custom_adv] It also uses digital data networks, a glass cockpit, heads-up display (HUD), ballistic computers and smart mobile mapping systems. [custom_adv] On November 3, 2018, there was a ceremony that inaugurated the launch of the Kowsar assembly line at the Aircraft Manufacturing Industries Company with at least seven being made. [custom_adv] It was present as he inspected the Kowsar in the Defense Industry Day event celebration. [custom_adv] There were reports of a crash by an operated F-5 days after the Kowsar's existence was announced.