The five ATR72-600 commercial aircraft arrived at Tehran's Mehrabad International Airport on Sunday, according to Iran's state-run news agency IRNA.
The arrival of the twin-engine turboprops is in line with a 536-million-dollar deal clinched between state carrier Iran Air and the French-Italian manufacturer ATR in April 2017 on the delivery of 20 ATR72-600 planes to the Islamic Republic, which currently has 13 such aircraft.
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Jointly owned by European consortium Airbus and Italy's Leonardo, ATR has repeatedly called on Washington to allow it to finish its delivery of aircraft to Iran before the US anti-Iranian sanctions enter force.
The Sunday arrival comes just a day ahead of the re-imposition of the first round of US sanctions against the Islamic Republic, which aim to affect its automotive and mining sectors.
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Earlier this week, EU foreign policy chief Federica Mogherini signaled the bloc's willingness to continue and even step up its trade and economic cooperation with Tehran, despite the US decision to re-impose anti-Iranian sanctions.
The official reiterated that the International Atomic Energy Agency (IAEA)'s verifications indicated that Tehran complied with its commitments under the deal, which meets the security interests of the EU.
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On May 8, US President Donald Trump announced that Washington would pull out of the Iran nuclear deal, also known as the Joint Comprehensive Plan of Action (JCPOA).
According to the US Treasury Department, following a wind-down period, three different rounds of sanctions will be imposed on Iran, including those scheduled for August 6, November 4 and November 5, respectively.
