Widebody jet completed final flight after over four decades in service; fleet modernization remains limited by sanctions

The aircraft previously operated with Hong Kong Airlines and arrived in the country on April 17

The country's main airline is the target of possible retaliation for Iran's support for Russia in the Ukraine War

Regional jet had 283 aircraft produced between 1986 and 1998, but only 66 of them would be active today

December report suppressed 97 jets including A320, A330 and A350 aircraft that could not be delivered due to sanctions on Iran

Airline had signed a $ 16 billion deal in 2016 for 737 MAX and 777 jets with a US planemaker, but it was suspended due to government sanctions

Older aircraft are no longer in a position to be recovered, including three rare Boeing 747SP