Iran began a programme to develop a jet trainer in the early 1990s, first flying a proof of concept aircraft, the Dorna in 1995, a second, much modified aircraft, the Tondar flying in 1998, with a third aircraft, the Tazarve introducing further revisions.
In the early 1990s, Iran began developing a jet trainer aircraft program. The project started with a proof-of-concept model called the Dorna, which first flew in 1995. A second iteration, the Tondar, followed in 1998, and a third version, the Tazarve, was introduced later with further modifications.