A French-operated container vessel and a Japanese-linked gas tanker have crossed the Strait of Hormuz, offering the clearest sign yet that limited commercial traffic may be edging back through one of the world’s most sensitive maritime chokepoints after weeks of war disruption around Iran. The transits are being watched closely by shipping, energy and insurance markets because they suggest Tehran is selectively allowing passage to vessels it does not regard as tied to hostile states. The French vessel was the Malta-flagged Kribi, owned by CMA CGM, which passed through the strait on April 2, according to vessel-tracking data. A Japanese-linked liquefied natural gas carrier, Sohar LNG, also made the crossing, with Mitsui O. S. K. Lines confirming the passage. Reuters reported that three Oman-operated tankers have also transited the waterway since Thursday, adding to signs of a narrow and highly conditional reopening rather than a full restoration of normal movement.
The developments follow Iran’s move to choke off traffic after US and Israeli strikes at the end of February widened the conflict. Tehran later indicated it would permit ships with no US or Israeli links to pass, creating a system in which nationality, ownership and perceived political alignment appear to matter as much as cargo. That has turned routine commercial navigation into a geopolitical filter, with carriers and traders studying each successful transit for clues about which flags, owners and routes might still be acceptable.
One detail from the Kribi crossing underlined how political signalling is now shaping maritime decisions. Tracking data showed the vessel changed its Automatic Identification System destination to “Owner France” before entering Iranian waters, apparently to make its ownership unmistakable to Iranian authorities. Similar methods have been used by other ships in tense waters to advertise neutrality or a friendly profile. What remains unclear is whether that step alone was enough, or whether quiet diplomatic contacts also helped secure the ship’s passage.
For France and Japan, the crossings carry diplomatic weight as well as commercial meaning. Paris and Tokyo said this week they would coordinate more closely in pushing for the reopening of Hormuz and an end to the war. French President Emmanuel Macron has argued that the strait must be reopened through diplomacy rather than military action, saying its importance goes beyond crude exports to fertilisers and broader international trade. That position may have strengthened France’s standing with Tehran at a moment when Iran appears to be distinguishing between Western countries rather than treating them as a single bloc.
Japan has strong reasons to track every change in conditions. Reuters reported that about 45 ships owned or operated by Japanese companies were still stranded in the region as of early Friday. Japan normally sources roughly 90 per cent of its oil from the Middle East, leaving it exposed to prolonged shipping disruption and higher fuel costs. The passage of Sohar LNG therefore matters not only as a symbolic first crossing for a Japan-linked vessel, but also as a possible template for further movements if political clearance can be replicated.
Markets are treating these passages as encouraging but fragile. Hormuz normally handles about a fifth of global oil and liquefied natural gas flows, making even a partial shutdown a direct threat to energy prices and industrial supply chains. J. P. Morgan warned this week that oil could climb well above current levels and even top $150 a barrel if disruptions last into mid-May. The bank’s base case assumes negotiations eventually ease the strain, but the warning captures how little confidence still exists that a handful of successful voyages amount to a durable reopening.
Shipping analysts will also note how these vessels moved. Reuters said some ships appeared to switch off or lose visible AIS signals during the crossing, highlighting the operational caution surrounding every transit. That reflects the reality that the route is not functioning as a normal commercial lane but as a corridor governed by conflict risk, political discretion and opaque communications. Each ship that gets through may lower fear at the margin, yet each one also underlines how far conditions remain from predictable freedom of navigation.
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