Iran has appealed to the International Civil Aviation Organization (ICAO) over US restrictions targeting its aviation sector. Abu Zarr Shiroudi, head of Iran’s Civil Aviation Organization, said Monday that the relevant documents had also been submitted to the organization as part of the complaint.

Shiroudi said Tehran was pursuing legal and diplomatic channels to resume flights on routes that had previously been active and to lift the restrictions.
Restrictions on direct flights to Europe
The Iranian official said restrictions were in place on direct flights to European countries. Flights via regional hubs are therefore being used as alternative routes.
Istanbul has also emerged as one of the main regional hubs used for flights between Iran and Europe.
Flights to and from Iran suspended
Iraq, Azerbaijan, Georgia, the Sultanate of Oman and the United Arab Emirates suspended flights to and from Iran in recent days. The decisions came after new US sanctions targeting Iran’s aviation sector.
Talks were held to launch Tehran–Najaf flights between Iran and Iraq and use the route in place of the Tehran–Baghdad route. However, Tehran–Najaf flights were later canceled as well.