The United States Treasury Department announced sweeping new sanctions on Monday targeting every one of Iran's currently operational airlines, alongside dozens of foreign companies and individuals accused of supporting Tehran's sanctioned aviation networks. The measures, unveiled on September 8, represent a significant intensification of American pressure on Iran's commercial air travel industry and signal Washington's intent to further restrict Iran's access to international markets.
The sanction orders named 36 targets in total, including 27 Iranian airlines that collectively account for virtually all remaining civil aviation operations in the Islamic Republic. Among those targeted were foreign shipping firms, aircraft component suppliers, and at least one individual identified by US officials as facilitating the procurement of aircraft parts, spare components, and related technology for Iranian carriers operating under restrictive conditions.
The move comes as part of a broader US campaign to tighten economic restrictions on Iran across multiple sectors, aiming to curtail the country's ability to conduct trade and access financial systems beyond its immediate regional neighbors. US authorities argued that the targeted entities have been involved in circumventing existing sanctions through complex supply chains and shell companies, enabling Iran to maintain a functioning — though increasingly isolated — aviation fleet.
Iranian civil aviation has faced mounting challenges since the reimposition of US sanctions in 2018, but Tehran had previously managed to keep several domestic carriers operating by sourcing parts through third-country intermediaries. Analysts note that the latest designation of all remaining airlines effectively closes off what was left of Iran's legal avenues for obtaining aircraft maintenance support and modern fleet upgrades from the global market.
The sanctions also carry secondary implications for international airlines and businesses that may have indirect commercial ties to the designated Iranian entities, as US regulators have warned of enforcement action against violators.



