HESA Kowsar
| Kowsar | |
|---|---|
| HESA Kowsar | |
| Role | Fighter, advanced fighter trainer | 
| Manufacturer | Iran Aircraft Manufacturing Industrial Company (HESA) | 
| First flight | August 2018 | 
| Introduction | 3 November 2018 | 
| Status | In service | 
| Primary user | Islamic Republic of Iran Air Force | 
| Number built | 4 | 
| Developed from | Northrop F-5 HESA Azarakhsh HESA Saeqeh | 
The HESA Kowsar (Persian: کوثر, also spelt Kosar) is an Iranian 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.
According to the Iranian media, this fighter jet has "advanced avionics" and multipurpose radar, and it was "100-percent indigenously made". It also uses digital data networks, a glass cockpit, heads-up display (HUD), ballistic computers and smart mobile mapping systems.