The Pakistan-flagged Aframax tanker Shalamar has become the first crude carrier to exit the Persian Gulf through the Strait of Hormuz since the US blockade began on Monday, Bloomberg reported Thursday, sailing south of Iran’s Larak Island and out into the Gulf of Oman with approximately 450,000 barrels of crude loaded at Das Island in the United Arab Emirates — a development that is simultaneously a historic maritime first and a measure of just how limited Hormuz traffic remains under the current blockade regime.
The Shalamar is signalling Karachi as its destination — meaning Pakistan, the country whose Prime Minister is currently on a Gulf mediation tour and whose Army Chief met Iran’s parliament speaker in Tehran on Thursday as part of the mediation effort to revive stalled US-Iran negotiations, is also the destination of the first crude carrier to successfully navigate the blockaded strait since Monday.
What makes this crossing significant
The Shalamar’s exit is the first crude carrier movement through Hormuz since the US Navy imposed its blockade of Iranian ports and strait traffic beginning Monday, April 13 — a period of four days during which no crude tanker had successfully completed the passage. The IEA had already confirmed that Hormuz flows had collapsed from over 20 million barrels per day before the war to just 3.8 million barrels per day in early April. The US blockade, layered on top of Iran’s own IRGC permission requirements and the existing disruption, has tightened that constraint further.
The fact that it took until Thursday evening for the first crude carrier to exit since Monday’s blockade began underscores the severity of the shipping paralysis. In normal pre-war conditions, approximately 138 vessels crossed Hormuz daily. The Shalamar’s late Thursday passage is one vessel in four days — a ratio that captures in a single comparison the scale of the disruption the world’s most critical energy waterway is currently experiencing.
The half-full detail
The Shalamar is only half full — carrying approximately 450,000 barrels against a full Aframax capacity of approximately 750,000 to 800,000 barrels. The partial load is significant. It suggests either that the cargo was loaded in smaller quantities to reduce the financial risk of a vessel that might face interdiction, inspection, or delay in the blockade zone, or that the available UAE crude at Das Island loading terminal was insufficient to fill a full cargo given the supply chain disruption affecting Gulf loading operations. In either case, a half-full tanker making the first Hormuz crude exit in four days is not a sign of normal commercial operations resuming — it is a sign of cautious, limited, high-risk navigation in an environment where every passage requires careful assessment of blockade risk.
Why a Pakistan-flagged vessel and why UAE crude
The Shalamar’s Pakistani flag and UAE cargo origin are both relevant to understanding why this particular vessel made the first crossing. The UAE, unlike Iran, is not a target of the US blockade — which is directed at Iranian ports and Iranian-linked shipping rather than at UAE commercial operations. A vessel carrying UAE-origin crude from Das Island is not in technical violation of the blockade’s stated parameters, which target Tehran-linked ships rather than all Gulf crude movements. The Pakistan flag similarly represents a country that is not a primary target of American naval enforcement and whose government is actively engaged in mediating between Washington and Tehran — a diplomatic positioning that may have made Shalamar’s passage less likely to trigger US naval intervention than an Iranian-flagged or Iranian-linked vessel would be.
Das Island is a UAE offshore oil production hub operated by ADNOC — one of the Arabian Gulf’s major crude loading points for Murban and other UAE crude grades. The fact that UAE crude is moving again through Hormuz, even in limited quantities and on a half-full tanker, suggests that the blockade is being applied selectively — targeting Iranian-linked shipping specifically rather than imposing a complete prohibition on all Hormuz traffic from all origins.
The Karachi destination and the Pakistan connection
That the first crude to exit Hormuz since the blockade began is heading to Karachi is a detail that will not be lost on anyone following the diplomacy. Pakistan’s Army Chief Asim Munir arrived in Tehran on Wednesday, met Iranian Foreign Minister Abbas Araghchi, and met parliament Speaker Ghalibaf on Thursday — the same day the Shalamar made its crossing. Pakistan’s Prime Minister Shehbaz Sharif is on a mediation tour of Saudi Arabia, Qatar, and Turkey. Trump said Pakistani intermediaries have been so great and offered to visit Pakistan if the deal is signed in Islamabad.
A Pakistan-flagged tanker becoming the first crude carrier to successfully transit the blockaded Hormuz strait, carrying UAE crude to Karachi, on the same day Pakistan’s Army Chief is in Tehran advancing the mediation effort, is the kind of convergence that is either coincidental or deeply deliberate. In the context of a crisis where every diplomatic signal is being watched and every maritime movement is being tracked by intelligence agencies across a dozen countries, the Shalamar’s passage is unlikely to be purely routine.
Disclaimer: This article is based on Bloomberg reporting and publicly available ship-tracking data. Business Upturn is not responsible for any decisions made based on this article.