13MAY

First Tehran-Moscow flight after 60 days

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The first Tehran-Moscow flight in 60 days lifted off on 28 April, with three-times-weekly service resuming the day after Araghchi met Putin at the Boris Yeltsin Library.

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Key takeaway

Mahan Air resumed Tehran-Moscow service on 28 April, one day after Araghchi met Putin in St Petersburg.

Mahan Air operated the first Tehran-Moscow flight on 28 April 2026 after a 60-day suspension tied to the war, with Sunday, Tuesday and Thursday service resuming in both directions. Iranian state news agency Mehr News reported the resumption from Imam Khomeini International Airport.

Mahan Air is an Iranian privately owned carrier the US Treasury sanctioned in 2011 for moving IRGC (Islamic Revolutionary Guard Corps) materiel and personnel; the airline has run the Tehran-Moscow rotation as a primary corridor for both civilian transit and dual-use cargo since the 2018 reimposition of US secondary sanctions. The 60-day suspension that the Tuesday flight broke was the longest interruption since the route opened to scheduled service. Three-times-weekly service in both directions implies six flights weekly across the route, the operating tempo Mahan ran before 28 February.

The resumption arrives one day after Abbas Araghchi's confirmed meeting with Vladimir Putin in St Petersburg , and inside the same week Russian Il-76 transport aircraft were tracked into Mehrabad and Bandar Abbas at high tempo . The Pentagon assessed the China-Russia support pattern as actively compounding the war on that 27 April reporting; the Mahan resumption normalises a civilian-coded version of the same corridor without any signed US instrument covering it. The Treasury's only Russia-Iran asymmetry on the books is the 19 April day OFAC issued sanctions wind-downs on Russian-linked entities while signing nothing on Iran, an asymmetry Senator Lisa Murkowski's unfiled AUMF does not address. Russian airspace authorities cleared the slot allocations for the resumption between Putin's reception of Araghchi on 27 April and the Tuesday departure, a turnaround that suggests the diplomatic trip carried operational instructions on logistics restoration alongside the joint statements.

The corridor is being reopened in real time on the same Tuesday the War Powers Resolution clock runs into its final 24 hours.

Deep Analysis

In plain English

Mahan Air is Iran's largest private airline. For 60 days it could not fly to Moscow because the war disrupted operations. On 28 April it resumed flights, three times a week in each direction. This matters for two reasons. First, Mahan Air has been sanctioned by the US and EU for allegedly carrying cargo for Iran's Revolutionary Guard, so its flights operate outside the Western financial system. Second, the timing, one day after Iran's foreign minister met Putin in Russia, suggests the resumption is part of a broader Iran-Russia coordination rather than a routine commercial decision. Russia and Iran are both under heavy Western sanctions and have been building closer ties.

What could happen next?

Consequence
Mahan Air's resumed route provides a practical air bridge for Iranian and Russian personnel and goods that bypasses the 37 CENTCOM-redirected vessels; the Pentagon has no air-interdiction mechanism equivalent to its maritime blockade architecture.
Risk
Russian Il-76 military transport aircraft tracked into Iran at high tempo in the same week as Mahan Air's resumption raises the possibility of parallel military and civilian logistics normalisation; if confirmed, OFAC's existing Mahan designations would need to be extended to cover newly identified routes and operators.

Source Landscape

This story draws on neutral-leaning sources

Primary parallel: Serbia's continued air links to Russia through the 2022-2024 period of Ukraine sanctions provided a tested precedent for how a third country's civilian aviation can maintain a Russia corridor that Western sanctions cannot reach without secondary-sanction threat.

Serbia's state carrier Air Serbia operated Belgrade-Moscow flights throughout 2022-23; Western governments protested but could not legally compel a third-state carrier to suspend service to a non-sanctioned route. The Iran-Russia variant is structurally identical but involves an airline that is itself under primary US and EU sanctions, making it harder, not easier, for third-party facilitators.

Counter-parallel: Serbia's Air Serbia is not a sanctioned entity; its Russia flights were legal under Serbian law even if diplomatically unwelcome. Mahan Air operates as a designated entity under OFAC's SDN list, meaning any financial institution that processes Mahan transactions risks US correspondent banking penalties.

The Iran-Russia corridor is therefore not a diplomatic nuisance but an active sanctions-evasion mechanism, which is a materially different legal category from the Serbia precedent.

Consensus view: RUSI's Russia-Iran programme analysts note Mahan Air's sanctioned status under both US OFAC and EU Council designations makes its Tehran-Moscow route a functioning test of sanction extraterritorial reach: any Western airline or airport that facilitates Mahan's operations faces secondary liability, but Russian airports and operators face no such exposure, making the corridor effectively sanction-proof within the Russia-Iran axis.

Counter-view: Carnegie Moscow Center's Alexander Gabuev argues the Mahan Air resumption is logistics normalisation rather than strategic deepening: the airline operated the same route prior to the war under the same sanctions, and Russia's willingness to host Mahan flights changed nothing after February 2026. The real indicator of strategic depth would be Russian provision of air-defence systems or dual-use components, not civilian route restoration.

Key tension: Whether the Tehran-Moscow air corridor represents a genuine logistics supply chain for Iranian war material (drone components, military electronics, personnel) moving in both directions under civilian cover, or whether it is primarily commercial and diplomatic passenger traffic that the US has no practical mechanism to interdict.

First Reported In

Update #83 · UAE quits OPEC, war signs nothing

Mehr News· 29 Apr 2026

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Causes and effects

Caused by

Yeltsin Library, not Kremlin, hosted Araghchi

Mahan Air's Tehran-Moscow resumption on 28 April came one day after Araghchi's Boris Yeltsin Library meeting with Putin confirmed in ID:2851.

Occurred 27 Apr 2026

Read story →

This Event

First Tehran-Moscow flight after 60 days

Mahan Air's resumption normalises the Iran-Russia logistics corridor inside the same trading session that produced Brent's post-war high and Iran's revised ceasefire proposal. The Treasury's only Russia-Iran asymmetry on the books remains the 19 April Russia-yes, Iran-no signature day, leaving the corridor uncovered by signed US text 24 hours before the War Powers Resolution clock expires.

Different Perspectives

Turkey

Turkey, a major buyer of Russian diesel cargoes, loses that access under Moscow's first producer-binding export ban, in force from 8 July to 31 July. Ankara hosted the same week's NATO summit pledging EUR 70bn to Ukraine, sitting on both sides of the fuel-and-alliance ledger.

NATO

NATO leaders meeting in Ankara on 7 and 8 July pledged EUR 70bn in equipment, assistance and training for Ukraine across 2026, with a 2027 sustainment commitment and a $40bn Drone Edge counter-drone initiative. European allies now fund the vast majority of that package, filling the gap left by Washington's idled crude waiver.

India

India's state refiners continued buying discounted Urals crude as June's price fell to $63.18 a barrel, insulating New Delhi from the OFAC waiver gap still constraining Western buyers. Indian refiners could pick up diesel-export share as Russia's producer-binding ban shuts out its former customers.

China

China's independent refiners kept importing discounted Urals crude through June as the price fell to $63.18 a barrel, down 26% month-on-month per CREA. Beijing has said nothing on Moscow's new diesel ban, leaving Chinese refiners a likely beneficiary if Turkish and Brazilian buyers seek replacement cargoes.

United States

No successor licence has been issued since General License 134C lapsed on 17 June, leaving a 26-day gap, the longest of the war, in the Russian crude waiver. Washington's silence is tightening the channel without any stated decision, as Treasury weighs whether to let it die.

Ukraine

Ukraine's long-range strike campaign shifted from refineries to seaborne fuel tankers crossing the Sea of Azov, cutting tracked vessel traffic 55% between 30 June and 11 July, per Starboard Maritime Intelligence. The shift targets Russia's export revenue directly rather than just domestic supply, adding pressure alongside the collapsing Urals price.