As evidenced by the inaugural flight of Iran's indigenously designed and manufactured Azarakhsh and Saeqeh fighter jet to the mass production and launch of helicopters, turboprops, and passenger planes.

The industry was later expanded in the 1970s in the reign of Shah Mohammad Reza Pahlavi, benefiting from the boosted oil revenues.

Not only did the Shah order vast quantities of America’s most advanced weapons, he was also acquiring the capability to produce them in Iran.

Under a multibillion-dollar industrialisation programme, the Shah commissioned US arms firms to build weapons factories in Iran.

[5][6] In 2006 Textron sued IAIO, for producing counterfeits of six types of its Bell unit helicopters without licenses thereby using trade secrets and patented designs without permission and demanded compensation for damages.

Textron ultimately sent five commercial helicopters to Iran in addition to providing spare parts and training in 1994 to settle the dispute.

[10] Iran’s Aviation Industries Organization plans to manufacture 100 advanced Tupolev Tu-214 and Tu-204 airplanes with a capacity of 210 persons each in cooperation with Russia within the next 10 years.

[19][20][21] In August 2018, IAIO unveiled the Kowsar (or Kosar) jet trainer and strike aircraft ahead of its maiden flight.

[26] Manufactured with more than 14,000 parts, it is capable of flight at 50,000 feet and can be mounted on planes with a maximum takeoff weight of ten tons.

)[27][28] With the 1979 Revolution, the Islamic Republic of Iran inherited a good air fleet because it had a large number of advanced imported Western aircraft.