US Imposes Sweeping Sanctions on Iran’s Aviation Sector

The United States has imposed a major new round of sanctions targeting Iran’s aviation industry, blacklisting dozens of airlines, companies and intermediaries as Washington intensifies economic pressure on Tehran amid continuing regional tensions.

The U.S. Treasury Department announced on September 8, 2026 that its Office of Foreign Assets Control (OFAC) had sanctioned 36 targets linked to Iran’s aviation sector under a broader campaign known as Operation Economic Outcast.

The measures target Iranian airlines as well as foreign companies and intermediaries that Washington alleges have helped Tehran obtain aircraft, aviation technology and other services despite existing U.S. restrictions.

27 Iranian Airlines Added to Sanctions List

A major part of the new action involves 27 Iranian airlines operating in the country’s aviation sector.

Among the carriers designated are:

•    Iran Aseman Airlines
•    Iran Air Tour
•    Kish Airlines
•    Qeshm Air
•    Sepehran Airlines
•    Zagros Airlines
•    Ata Airlines
•    Fly Persia Airlines
•    Chabahar Airlines
•    Taban Airlines
•    Saha Airlines

The Treasury said the designations were made under Executive Order 13902, which allows the U.S. government to target sectors of the Iranian economy.

Washington says Iranian commercial aviation has been used to support activities involving the Islamic Revolutionary Guard Corps, including the movement of personnel, weapons and other cargo.

Iran has previously rejected U.S. accusations surrounding many aspects of its military and sanctions-related activities.

Mahan Air Remains a Major Focus

The latest sanctions also expand pressure surrounding Mahan Air, one of Iran’s largest private airlines.

Mahan Air has been under U.S. sanctions since 2011 after Washington accused it of providing financial, material and technological assistance to the Islamic Revolutionary Guard Corps-Quds Force.

The U.S. Treasury says foreign companies helping Mahan Air obtain aircraft, transport cargo or operate international services could themselves face sanctions.

Treasury Secretary Scott Bessent warned that companies continuing to support sanctioned Iranian airlines risk losing access to the global financial system.

Companies in UAE, Türkiye, Malaysia and Kazakhstan Targeted

The sanctions extend beyond Iran.

Washington also targeted aviation and logistics companies operating in several other countries, including the United Arab Emirates, Türkiye, Malaysia and Kazakhstan.

According to the Treasury, some of these entities allegedly acted as intermediaries or service providers for Iranian airlines.

UAE-based ECT Aviation Support LLC and Türkiye-based Sky Phoenix were among the companies sanctioned over allegations that they assisted in transferring U.S.-origin aircraft to Mahan Air.

The Treasury said that during the summer of 2026, Mahan Air received at least three Boeing 777 aircraft that had passed through the UAE and Oman before reaching Iran.

Washington alleges that temporary registrations and third-country intermediaries were used to obscure the aircraft’s eventual Iranian destination.

Cargo and Sales Agents Also Sanctioned

The U.S. also designated several companies accused of providing cargo, logistics or sales services to Mahan Air.

These included:

•    Türkiye-based S Sistem
•    Türkiye-based Mes Cargo
•    Malaysia-based Icargo
•    Kazakhstan-based Tour Invest

The Treasury alleges some of these companies helped coordinate shipments of industrial equipment, aircraft components and other goods destined for Iran.

Washington says third-country businesses that continue facilitating sanctioned Iranian aviation operations could face further enforcement action.

US Suspends Aviation Authorisations

Alongside the sanctions, OFAC suspended three Iran-related aviation authorisations.

These had previously allowed certain activities involving overflights and permitted some non-U.S. airlines to operate U.S.-origin or U.S.-controlled commercial aircraft into Iran.

The Treasury said aviation safety-related requests would still be considered individually.

The move could make it more difficult for airlines and aviation companies to provide aircraft, parts and services involving U.S.-controlled technology to Iran.

Financial Institutions Put on Alert

The U.S. Financial Crimes Enforcement Network, or FinCEN, also issued an alert to banks and other financial institutions.

The alert asks them to watch for transactions that may indicate efforts by Iranian aviation companies to obtain aircraft or aircraft parts through front companies.

The Treasury says Iran has used businesses in Europe, the Middle East, Africa and Asia to purchase Western-origin aircraft, components and dual-use technology while concealing the ultimate destination.

What Do the Sanctions Mean?

Under U.S. sanctions rules, assets belonging to designated individuals or companies that fall under U.S. jurisdiction are generally frozen.

U.S. persons are also broadly prohibited from conducting transactions with sanctioned parties unless specifically authorised.

Foreign banks and companies may also face sanctions exposure if they knowingly conduct certain significant transactions with designated entities.

This gives Washington considerable leverage because many international transactions pass through U.S. banks or involve the U.S. dollar.

Part of a Wider Pressure Campaign

The aviation sanctions form part of Washington’s broader Operation Economic Outcast, which was announced in August 2026.

The U.S. says the campaign is intended to target revenue streams, financial networks and foreign intermediaries that help Tehran evade international sanctions.

Washington has also intensified pressure on Iran’s energy exports and financial sector as tensions between the two countries have risen sharply in recent months.

The latest measures come against the backdrop of renewed military confrontation between the United States and Iran, including attacks on shipping and energy infrastructure around the Gulf.

Possible Impact on Iran’s Aviation Industry

Iranian airlines have faced difficulties obtaining new Western aircraft and replacement parts for decades because of international sanctions.

Many carriers rely on older aircraft fleets and complex procurement networks to secure spare parts and maintenance services.

The latest sanctions could increase the cost and difficulty of maintaining aircraft, securing financing and accessing international aviation services.

They could also create additional compliance risks for foreign airports, logistics companies, aircraft owners and financial institutions doing business with Iranian carriers.

However, the immediate impact on individual passenger routes will depend on how airlines, foreign governments and service providers respond to the new restrictions.

Pressure on Iran Continues

The September 8 action represents one of Washington’s broadest sanctions moves against Iran’s aviation industry in recent years.

By targeting airlines alongside their foreign suppliers, logistics partners and financial networks, the United States is attempting to make it more difficult for Tehran to access aircraft, technology and international aviation services.

Whether the sanctions significantly restrict Iran’s aviation operations — or push Tehran toward more alternative procurement networks — will depend on how aggressively the measures are enforced internationally.