Mahan Air Halts Türkiye Flights Amidst U.S. Sanctions on Iran’s Aviation Sector

Mahan Air Halts Türkiye Flights Following U.S. Sanctions

Mahan Air has stopped its flights to Türkiye after the United States Treasury Department’s Office of Foreign Assets Control (OFAC) imposed sanctions on Iran’s aviation sector. This action, part of what the Treasury calls “Operation Economic Outcast,” specifically targeted 36 entities, including 27 Iranian airlines and nine intermediaries in other countries. The suspension affects the Tehran-Ankara route in both directions, with no clear timeline for when flights might resume.

The U.S. Treasury stated that these measures are a warning to any entity doing business with Iran’s remaining airlines, emphasizing the risk of being cut off from the global financial system. The sanctions extend beyond individual carriers to include aviation permissions used by foreign operators and businesses connected to Iran. This move significantly impacts Iran’s already strained aviation sector, which faces challenges with an aging fleet and limited access to spare parts.

U.S. Treasury Actions and Deadlines

The sanctions, which took effect on September 8, 2026, also involve the suspension of three aviation authorizations. These include permissions related to overflights and the use of U.S.-origin or U.S.-controlled aircraft by foreign airlines flying to Iran. A key date is September 23, 2026, which is the deadline set by General License DD for the wind-down of certain aviation transactions and authorizations. This provides a limited window for aviation companies to cease affected operations, but it does not reinstate the suspended permissions.

The enforcement warning covers a range of activities, such as aircraft transfers, cargo services, and support from general sales agents. Treasury materials also linked these restrictions to aircraft procurement and transport activities involving weapons, personnel, and cargo. Companies and individuals found to be enabling sanctioned Iranian airlines, whether through aircraft transfers, cargo services, or general sales agent support, face serious consequences for supporting what the U.S. government describes as the world’s leading state sponsor of terrorism.

Impact on International Routes

While Mahan Air has halted its flights to Türkiye, other airlines continue to operate the route between Iran and Türkiye. This means the immediate disruption is specific to the Iranian carrier rather than all air travel between the two nations. However, the sanctions are expected to have a broader effect on Iran’s international connectivity.

Georgia is also preparing to remove sanctioned Iranian carriers, with flights expected to cease by September 21, 2026, following final flights on September 20. Georgia’s Civil Aviation Agency has stated its intention to comply fully with the international sanctions regime and is considering U.S. and European Union sanctions mechanisms. These actions, occurring in close succession, highlight the increasing pressure on Iranian airlines to reduce their foreign operations.

Iran’s Aviation Sector Under Pressure

Iran’s civilian aviation sector has long operated under significant constraints. An aging fleet, with an average aircraft age of 28 years, and limited access to essential spare parts contribute to operational difficulties. One analysis indicated that out of an estimated 174 aircraft, only 75 to 139 were operational. Prolonged restrictions like these new sanctions could lead to more aircraft being grounded and a reduction in direct international services to major Iranian cities.

The current sanctions primarily target foreign connectivity, narrowing the options for international travel to and from Iran. While domestic operations within Iran are not immediately ended by these measures, the compliance risks for overseas partners, insurers, and airports dealing with Iranian carriers are significantly rising. The upcoming deadlines in September mark a critical period for the Iranian aviation industry and its international partners.

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